Continental Crust is generally _____ than Oceanic Crust.a. olderb. denserc. thinnerd. richer in iron and magnesiume. all of the above
Place the following transportation types in the order in which they became common (oldest on the top, newest on the bottom) Automobiles, Horses, Canals, Steamships, & Railways
"The following transportation types are in the order in which they became common (oldest on the top, newest on the bottom)- Horses, Railways, Steamships, Canals & Automobiles."
The Industrial Revolution substituted human or animal muscle power(mostly horses). The newly invent-ed machines, powered by burn-ing wood or coal, or by the flow-ing water of a stream or river, could accomp-lish the same amount of work that previous-ly required several people or sev-eral animals flexing their muscles.
Not only could the ma-chines do the work of several living be-ings, machines could do it at a mu-ch faster speed. Imagine substi-tuting a horse for the motor of a car; one or two horses co-uld easily pull the wei-ght of a car with its pass-engers, but no horse could run do-wn the high-way at sixty miles an hour, h-our after hour, as a car can.
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Identify at least three ways the mountain people of Nepal earn a living
The mountain people of Nepal, who live in remote areas with difficult terrain, have developed a variety of economic activities to sustain themselves and their families. Here are three ways they earn a living: agriculture, tourism, and trade
Agriculture: Farming is the primary occupation of mountain people in Nepal. They cultivate crops like rice, maize, millet, potatoes, and vegetables, using traditional farming practices such as terracing to maximize land use. They also raise livestock such as cows, goats, sheep, and yaks for meat, milk, and wool.
Tourism: Many mountain people in Nepal live near popular trekking routes, and they earn a living by providing services to tourists such as guides, porters, and homestay accommodations. They also sell handicrafts like traditional textiles, pottery, and jewelry to tourists.
Trade: Mountain people in Nepal often engage in trade with nearby villages or towns. They may collect and sell forest products such as herbs, honey, and timber, or trade goods like salt, tea, and clothing. Some mountain people also work as laborers in construction or transportation, building roads and bridges or carrying goods by pack animal or on foot.
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how would you tell if a rock is crystalline? group of answer choices it contains crystals that have been cemented together. it does not contain crystals at all. it contains interlocking crystals. it contains all one type of crystal.
Crystalline rocks contain crystals that have been cemented together. These crystals are usually interlocking, meaning they fit together tightly. To determine if a rock is crystalline, you can look for certain characteristics.
The first characteristic of a crystalline rock is that it contains all one type of crystal. This crystal type can be identified by its shape and color. Crystals often appear in regular patterns, giving a crystalline rock a distinct, geometric look.
The second characteristic of a crystalline rock is that it is relatively hard. Crystalline rocks are usually harder than non-crystalline rocks. To test the hardness of a rock, you can use a simple scratch test. If the rock is crystalline, it will scratch metal or glass but not be scratched by them.
The third characteristic of a crystalline rock is that it does not contain any voids or gaps. Crystalline rocks are usually solid and the crystals are very tightly packed together. This creates a solid mass with no voids or gaps.
Finally, crystalline rocks often have a shiny or glassy appearance. This is due to the light reflecting off of the crystals. The shiny surface also reflects light and appears to have a glossy sheen.
To determine if a rock is crystalline, look for these characteristics. It should contain all one type of crystal, be relatively hard, have no gaps or voids, and have a glossy or shiny appearance. If these characteristics are present, the rock is likely crystalline.
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in determining the size of hail stones, weather spotters should report the longest dimension of the largest hail stone. T/F
The given statement "in determining the size of hail stones, weather spotters should report the longest dimension of the largest hail stone" is false because Weather spotters should report the diameter of the hail stones in millimeters, not the longest dimension.
The periphery is the longest distance between two points of the hail gravestone, while the longest dimension is the longest line member anyhow of the two points. The periphery is a more accurate measure of the size of the hail gravestone, and it's the standard measure used by meteorologists.
To directly report the size of the hail monuments, the rainfall warder should measure the periphery of the largest gravestone with a sovereign and report the value in millimeters.
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Identifying the type of rock in an outcropping and seeing how it has deformed can help to determine the history of the surrounding area.
There are three basic types of rock: igneous, sedimentary, and metamorphic.
Igneous rocks, such as granite, are directly formed from cooling magma.
Sedimentary rocks, such as shale or limestone, are formed by layer upon layer of loose sediment, either from small bits of other inorganic rocks or the remains of living organic creatures, being deposited upon one another. Over time these sediments are turned to stone. Shales are formed by inorganic sedimentation, and limestones are comprised of organic materials.
Metamorphic rocks, such as gneiss, slate, or marble, are any type of rock that has undergone extreme heat and pressure and has been transformed into a new type of rock. Gneiss can be formed from granite, slate is formed from shale, and marble is the metamorphic result of heat and pressure being applied to limestone.
The outcropping that we are looking at is comprised of marble. Knowing what we know about the principles of geography, go through the statements below and put the events in chronological order from oldest to youngest.
Rank the areas identified in the cross section from oldest to youngest.
From oldest to youngest Igneous rock, limestone and marble (formed from limestone due to extreme heat and pressure).
Identifying the type of rock in an outcropping and seeing how it has deformed can help to determine the history of the surrounding area. There are three basic types of rock: igneous, sedimentary, and metamorphic. The outcropping that we are looking at is comprised of marble, which is a metamorphic rock formed by extreme heat and pressure applied to limestone.
From oldest to youngest, the chronological order of the areas identified in the cross section is as follows:
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The death of marat and a river of landscape similarities
The death of Marat, a key figure in the French Revolution, and a river of landscape similarities can both be seen in their respective contexts.
Death of Marat's in 1793 brought about a major change in the course of the Revolution, with the after Reign of Terror leading to its eventual end. In the same way, a swash of geography parallels can be seen as a form of metamorphosis, as it shifts from one place to another, carrying deposition and other accoutrements that shape the geography in its
wake. Both example represent a form of metamorphosis, whether political or geographical, that can have lasting goods on the world.
Question is incomplete the complete question is
What are the similarities of death of Marat and a river of landscape?
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explain why an understanding of geological time is critical to both geologists and the public in general.
Geological time is an important concept for both geologists and the public, as it allows us to comprehend and explain the age of the Earth and its evolution over time. It allows us to explain Earth processes and how they impact human life.
For geologists, geological time is essential for interpreting the evolution of the Earth, its climate and its environments. By understanding geological time, geologists can create theories about how the Earth formed and developed over time.
This helps them to better predict and explain natural phenomena, like earthquakes, volcanoes and floods.
For the public, understanding geological time is critical to understanding the effects of climate change, and how changes to the Earth’s environment can affect the human population.
By understanding how the Earth and its environment have evolved over time, the public can better understand the impacts of climate change and take appropriate action to protect their environment.
Finally, an understanding of geological time is also important for understanding the diversity of life on Earth. By understanding how life has evolved and adapted over time, we can better appreciate the amazing variety of life on our planet.
In conclusion, an understanding of geological time is critical for both geologists and the public. It allows us to understand and appreciate the history of the Earth and its environment, as well as the impacts of climate change and the diversity of life on Earth.
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what is the dominant factor in the location of the population settlements in north africa and southwest asia?
The dominant factor in the location of population settlements in North Africa and Southwest Asia is the availability of resources.
These regions are characterized by harsh climates and thirsty geographies, limiting the vacuity of pastoralist land and fresh water. People have settled near gutters, oases and littoral areas as these offer access to water and land suitable for husbandry. In some areas, similar as the Middle East,
oil painting reserves have been a major factor in the position of agreements, as they give an profitable source of income. In other areas, similar as the Maghreb, mortal agreements have been established in areas with a more temperate climate, allowing for further varied foliage and a more different range of resources.
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Which of these has been a major development in global trade since the 1990s?
Answer:
Explanation:
One major development in global trade since the 1990s has been the increasing trend towards economic globalization, which has been driven by a number of factors, including:
Advances in technology: Improvements in communication and transportation technology have made it easier and cheaper to move goods, services, and capital across borders.
Trade liberalization: Many countries have adopted policies that reduce barriers to international trade, such as tariffs and quotas, and promote free trade agreements.
Foreign direct investment: Companies are increasingly investing in foreign countries to take advantage of new markets, cheaper labour, and other resources.
Rise of emerging economies: Countries such as China, India, and Brazil have become major players in global trade and are increasingly competing with more established economies like the United States, Europe, and Japan.
E-commerce: The growth of e-commerce has created new opportunities for global trade, enabling businesses to sell products and services online to consumers around the world.
These developments have transformed the global economy, creating new opportunities for growth and innovation, but also raising concerns about job displacement, inequality, and the environmental impact of increased economic activity.
Over Earth as a whole, one would expect to observe the smallest variation in temperature from day to day and from month to month- in the center of a large land mass.
- at the North Pole.
- along the Pacific coast of North America.
- high in the mountains in the middle of a continent.
- on a small island near the equator.
The smallest variation in temperature from day to day and from month to month over Earth as a whole is expected to be observed "on a small island near the equator". Thus, D is correct.
This is due to the stable climate conditions found in tropical regions.
As the equatorial regions receive direct sunlight year-round, resulting in consistent warm temperatures. The ocean surrounding small islands helps to stabilize temperatures, as water has a high heat capacity, meaning it can absorb and release heat without much change in temperature.
Additionally, the trade winds that blow across the equatorial regions also contribute to the stable climate conditions found on small equatorial islands.
In contrast, the other options listed, such as a large land mass, a high mountain in the middle of a continent, or the North Pole, all experience greater temperature variations due to factors such as seasonal changes, altitude, or geographic location.
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1) Which is the least developed region among the following? A) North America B) Eastern Europe C) Southwest Asia D) Western and Central Europe E) East Asia.
Southwest Asia, also known as the Middle East, is considered the least developed region because it has been plagued by political instability, conflicts, and wars for several decades, severely impacting its economic growth and development.
The correct option is C.
Many countries in the region heavily rely on oil and gas exports, making them vulnerable to global oil price fluctuations. And the region has a high poverty rate, particularly in countries like Yemen, Syria, and Iraq, which have been severely impacted by conflict and displacement.
The region faces significant environmental challenges, including water scarcity, desertification, and air pollution. The region's arid climate and overuse of water resources have led to water scarcity in many areas, negatively impacting agriculture and human health.
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volcanic activity created the blank______, which is important to the economy of the village of vestmannaeyjar on the island of heimaey, near iceland.
Answer: The volcanic activity created the fishing port, which is important to the economy of the village of vestmannaeyjar on the island of heimaey, near iceland.
what explains canada’s diverse mix of people and settlement patterns?
Answer:
Canada's diverse mix of people and settlement patterns is the result of a complex interplay of historical, geographic, economic, and political factors.
Explanation:
Canada's diverse mix of people and settlement patterns can be explained by a combination of historical, geographic, economic, and political factors. Here are some of the main factors:
Indigenous Peoples: Before the arrival of Europeans, Canada was inhabited by a variety of Indigenous Peoples with distinct languages, cultures, and lifestyles. The Indigenous Peoples were the first settlers of Canada and their presence has shaped the country's cultural and geographic diversity.
European Exploration and Colonization: Beginning in the 16th century, European explorers began to arrive in Canada, with the French and British being the most influential. These explorers established colonies and trading posts, bringing with them their own cultural and linguistic traditions.
Immigration: Canada has been a destination for immigrants for centuries, attracting people from all over the world. Waves of immigration have brought people from Europe, Asia, Africa, the Caribbean, and Latin America, among others. Immigration has helped to create a diverse mix of people and cultures in Canada.
Economic Opportunities: Economic opportunities in Canada have also played a role in attracting immigrants. The availability of jobs, education, and healthcare, as well as Canada's reputation as a safe and welcoming country, have made it a popular destination for people seeking a better life.
Government Policies: Canada's government policies have also contributed to the country's diversity. For example, the Canadian government has historically welcomed immigrants, and has put policies in place to encourage the integration of newcomers into Canadian society. Additionally, the government has recognized the rights of Indigenous Peoples and has implemented policies aimed at promoting Indigenous self-determination and reconciliation.
what causes the east polar winds to be generated, which drive surface currents such as the east green land current
The east polar winds are generated by a combination of factors such as the rotation of the Earth, differences in temperature and pressure, and the Coriolis effect. These winds drive surface currents such as the East Greenland Current.
What causes the East Polar winds to be generated, which drive surface currents such as the East Greenland Current?The East Greenland Current is a cold ocean current that flows from the Arctic Ocean's polar region to the Atlantic Ocean's southern region. The East Greenland Current is driven by the East Polar winds, which are generated by a combination of factors such as the rotation of the Earth, differences in temperature and pressure, and the Coriolis effect.
The rotation of the Earth causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere, thanks to the Coriolis effect. The difference in temperature and pressure between the polar region and the lower latitudes produces a pressure gradient that causes air to flow from high to low pressure regions.
These pressure gradients, combined with the Coriolis effect, result in strong and steady East Polar winds. The East Polar winds, in turn, generate the East Greenland Current.
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Where would one likely find the deepest soil development?A) Over the oldest geological formations in an area, regardless of slopeB) On steep slopes
The correct option is A) Over the oldest geological formations in an area, regardless of slope.
Soil development is a complex process that can be influenced by a variety of factors, including climate, vegetation, topography, and the underlying geology. In general, soils tend to be deepest over the oldest geological formations in an area, regardless of slope. This is because over time, weathering and erosion of these rocks can create a layer of loose material that is ideal for plant growth and root development. On steep slopes, however, soil development is often limited by factors such as erosion, landslides, and shallow bedrock, which can prevent the accumulation of organic matter and nutrients that are essential for healthy soil.
The depth of soil development can be influenced by many factors, including the age and composition of the underlying geological formations. Older rocks are generally more weathered and eroded than younger rocks, and may have accumulated a greater amount of loose material that can support soil development. In addition, the composition of the rocks can also affect soil development, as some types of rocks are more easily weathered than others.
A) Over the oldest geological formations in an area, regardless of slope.
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to prove the remaining ratio equal to the others, we can introduce a different altitude. for example, introduce the altitude from point a, then apply the same reasoning to prove
To prove that the remaining ratio is equal to the others, we can introduce a different altitude. For example, introducing the altitude from point A, and then applying the same reasoning to prove that the remaining ratio is equal to the others. A triangle is defined as a polygon with three sides.
It is one of the most basic geometric shapes. Any triangle with a base and height has an area that is equal to the product of the base and the height multiplied by 1/2 (1/2 times the base times the height). The height of a triangle is the perpendicular drawn from the vertex opposite to the base to the base.
The following is an explanation of the introduction of the altitude and the application of the same reasoning to prove the remaining ratio to be equal to the others. Let's say a triangle ABC has a side AC that has been divided into two segments AD and DC by the altitude from point A.
Let's examine the remaining ratio, which is the ratio of the length of BD to the length of CD. By applying the Pythagorean theorem to triangles ABD and ACD, we can see that:
AB² = AD² + BD²
AC² = AD² + CD²
We can solve for BD/CD by dividing the first equation by the second:
AB²/AC² = BD²/CD² + 1
Since we already know that AB/AC is the ratio of the lengths of the two sides that are adjacent to the angle opposite to the altitude from A, we can substitute the given ratio into the left-hand side of the equation:
Given ratio = (AB/AC)² = BD²/CD² + 1
The relationship between BD and CD can now be expressed algebraically by rearranging the above expression:
BD/CD = √((AB/AC)² - 1)
Therefore, it has been demonstrated that the remaining ratio BD/CD can be expressed in terms of the ratio AB/AC, which was given at the outset, and does not require any knowledge of the side lengths of the original triangle ABC.
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What is the organization in the United States that issues severe weather outlooks and watches?
The organization in the United States that issues severe weather outlooks and watches is the National Weather Service (NWS), which is a federal agency that is part of the National Oceanic and Atmospheric Administration (NOAA).
The NWS issues outlooks, watches, warnings, and advisories for severe weather events such as tornadoes, hurricanes, thunderstorms, and flash floods, among others.
These forecasts and warnings are issued through various means, including television and radio broadcasts, online and social media platforms, and specialized weather alert radios, to help keep people safe during severe weather events.
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What type of plate boundary causes explosive volcanoes?
Answer:
Explanation:
Explosive volcanoes are typically associated with convergent plate boundaries, where two tectonic plates are colliding with each other. More specifically, explosive volcanoes are often found at subduction zones, where one tectonic plate is forced beneath another into the Earth's mantle. As the descending plate moves deeper into the Earth, it is subjected to increasing pressure and temperature, causing it to partially melt and generate magma. This magma is less dense than the surrounding rock, so it rises towards the Earth's surface, eventually erupting as a volcano. The magma produced at subduction zones is often rich in gas and silica, which can contribute to explosive eruptions.
volcanic tsunami can be generated by a number of volcanic activities, including blank . multiple select question. travel of lahars into the sea undersea eruptions large amounts of material entering the sea by pyroclastic fall caldera collapse into the sea violent outgassing along volcanic vents near sea level
Volcanic tsunamis can be generated by a number of volcanic activities, including
Travel of lahars into the seaUndersea eruptionsLarge amounts of material entering the sea by pyroclastic fallCaldera collapse into the seaViolent outgassing along volcanic vents near sea levelA volcanic tsunami is a type of tsunami generated by volcanic activity, which can occur when a volcano erupts underwater, causing a rapid displacement of water.
The resulting wave can be extremely powerful and destructive, capable of reaching heights of several meters and causing widespread damage to coastal communities.
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which has no land under it the north or south pole
There is no land on top of the North pole.
create a map of europe after world war i. label these countries: albania, austria, belgium, bulgaria, czechoslovakia, denmark, estonia, finland, france, germany, great britain, greece, hungary, italy, latvia, lithuania, the netherlands, norway, poland, portugal, romania, spain, sweden, switzerland, turkey, the soviet union (formerly russia), and yugoslavia. label the atlantic ocean, the mediterranean sea, the baltic sea, the black sea, and the north sea. color bodies of water blue. color in green the territory held by the german empire in 1914. color in orange the territory held by austria-hungary in 1914. color in purple the territory held by russia in 1914. color in brown the territory held by the ottoman empire in 1914. outline the newly created countries in red. add a compass rose. create a key for your map.
Redrawing of borders and the creation of new nation-states created tensions and conflicts that would persist for decades to come. However, legacy of World War I and the changes it brought to Europe's political and territorial landscape continue to shape the region's history and politics to this day.
What lead to nation creation and Europe map expansion after WWI?World War I had a profound impact on the political and territorial landscape of Europe. The Treaty of Versailles, signed in 1919, imposed harsh penalties on Germany and its allies and redrew the map of Europe by creating new nation-states and expanding the territories of existing ones.
The collapse of the Austro-Hungarian Empire, which had been a major power in Central Europe, also led to the creation of several new nation-states, including Czechoslovakia, Yugoslavia, and Austria. Additionally, the Ottoman Empire, which had controlled much of southeastern Europe and the Middle East, was dissolved, leading to the creation of new nation-states such as Turkey and Iraq.
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the suez canal connects the mediterranean to what other sea?
Answer:
The Red Sea
Explanation:
Sunny is a program manager working with a local parks conservancy. She spent her week leading her team of volunteers through the park and directing and helping with restoration projects based on a landscape ecologist's recommendations. She also scheduled a meeting with a local business owner, who wants to plant nonnative ornamental trees on her property bordering the park, to advise her on the value of native plantings. Sunny is engaged in which of the following components of the ecosystems approach? Check all that apply. a. Hands-on restoration of damaged ecosystems b. Directly engaging in conversations with community members about biodiversity and conservation c. Mapping ecosystems or parts of an ecosystem d. Locating and protecting biodiversity e. Distinguishing between resilient and fragile ecosystems
Sunny is engaging in two main components of the ecosystems approach: hands-on restoration of damaged ecosystems and directly engaging in conversations with community members about biodiversity and conservation.
She is leading her team of volunteers through the park and helping with restoration projects based on a landscape ecologist's recommendations, as well as scheduling a meeting with a local business owner to advise her on the value of native plantings.
By taking part in these activities, Sunny is helping to restore the park's ecosystems and educating community members on the importance of conservation. These activities are essential to keeping ecosystems healthy and resilient, and Sunny's work is a testament to the power of the ecosystems approach.
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What is the name of the sedimentary structure depicted in the image?a)Mud cracksb)Ripple marksc)Cross-beddingd)Graded beddinge)Bioturbation structures
Ripple marks is the name of the sedimentary structure depicted in the image.
The sedimentary structure depicted in the image is "ripple marks."What are Ripple Marks?Ripple marks are sedimentary structures that occur on the surface of a sediment layer. In rivers, ocean waves, or wind, they develop as symmetrical or asymmetrical waveforms.
Ripple marks are created by the combined effects of gravity and wind or water currents on sand, silt, or mud. They are found on beaches, riverbeds, and deserts, among other places.
The presence of these marks can indicate the direction and intensity of water or wind movement, as well as the size of sediment grains that make up a sedimentary rock.
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Silicon Valley is ________.
A
not part of the rest of California because it is its own region
B
a region we can define by its industry
C
a city and not a region
D
not a part of the rest of California because it doesn’t share the same industry
Sort the following characteristics based on the type of unconventional hydrocarbon reserve they are associated with. Items (6 items) (Drag and drop into the appropriate area below) No more items Categories ??
Tar Sand
associated with sandstone
very viscous bitumen
impermeable source ???
rock open pit mines???
Shale Oil
kerogen transformed into oil
extracted by hydrofracturing
The following characteristics are based on the type of unconventional hydrocarbon reserve they are associated with.
Tar Sand Shale Oil
associated with sandstone kerogen transformed into oil
very viscous bitumen extracted by hydrofracturing
impermeable source
rock open pit mines
These are all the types under tar sand and shale oil. They are categorized by the above characteristics.
The quantity of fossil minerals discovered during geological investigation and precisely defined at the start of production are referred to as hydrocarbon reserves. In the USSR, a classification system was created in 1928.
Oil sands are regarded as an unconventional source of hydrocarbons due to the difficult and expensive process needed to extract and refine them. Yet, they are also a significant source of energy, especially in nations like Canada, which has the greatest oil sands reserves in the world.
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which of the following are true of eastern boundary currents? choose all that apply. view available hint(s)for part d which of the following are true of eastern boundary currents?choose all that apply. deep, as compared to western boundary currents wide, as compared to western boundary currents they flow along the more gradual slope of the hill of water fast, as compared to western boundary currents weak, as compared to western boundary currents
.True statements about Eastern boundary currents: Eastern boundary currents refer to the currents on the eastern side of ocean basins that flow toward the equator from the poles.
The eastern boundary currents are characterized by being wide, weak, and flowing along the more gradual slope of the hill of water.True statements about Eastern boundary currents: Eastern boundary currents refer to the currents on the eastern side of ocean basins that flow toward the equator from the poles.
These currents, which are relatively shallow, are generally broader and weaker than western boundary currents.They are referred to as boundary currents because they represent the boundary between the subtropical and subpolar gyres.
Western boundary currents are known for their speed and depth, and the cold waters of the western boundary currents have a significant impact on global weather patterns. Eastern boundary currents, on the other hand, tend to be wider and weaker than their western counterparts.
Eastern boundary currents tend to flow along the more gradual slope of the hill of water, whereas western boundary currents tend to flow along the steeper slope of the hill of water. They are often accompanied by upwelling, which brings deep, nutrient-rich water to the surface, making them ideal fishing grounds.
Eastern boundary currents are characterized by being wide, weak, and flowing along the more gradual slope of the hill of water.
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which of the following is a reliable characteristic that can be used to classify a rock? group of answer choices mineral stability texture water content degree of weathering
The most reliable characteristic that can be used to classify a rock is mineral stability. Mineral stability is the amount of chemical and physical resistance that minerals have when exposed to environmental conditions such as temperature, pressure, and chemical interactions.
The characteristic that can be used to classify a rock is its texture. When we refer to rocks, texture describes the physical characteristics of the rock. In essence, it refers to how the rock looks and feels like. The texture of the rock gives clues to its origin and the way it was formed.
Rocks have different physical properties that help in classifying them. These include color, grain size, and texture. Texture is the most reliable characteristic that can be used to classify a rock. The texture of a rock is determined by the size, shape, and arrangement of the mineral grains in it.
Mineral stability refers to the ability of a mineral to remain unchanged under certain conditions. This characteristic is not reliable in classifying rocks because different minerals have different degrees of stability, and some rocks may have different minerals with different stability degrees.
Water content is another physical property of rocks. However, this characteristic cannot be used to classify rocks because some rocks may contain water while others may not.
Degree of weathering is also a characteristic of rocks. It refers to the amount of physical and chemical changes that rocks undergo as they interact with the environment. Although it can be used to describe the condition of a rock, it is not a reliable characteristic for classifying rocks.
In conclusion, texture is the most reliable characteristic that can be used to classify a rock. It gives clues to the origin and formation of the rock, making it an essential feature in rock classification.
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What two specific continents fit together most noticeably?
answer choices
Africa and North America
South America and Europe
South America and Africa
Antartica and Africa
The two specific continents that fit together most noticeably are South America and Africa.
According to the continental drift theory, the continents are not fixed in their positions. They move at a rate of a few centimeters every year. The theory is supported by several pieces of evidence. One of them is the fit of the continents. South America and Africa look like they fit together perfectly. The coastlines of both continents have a similar shape, which indicates that they were once joined.
The rocks in the two continents are also similar, which indicates that they were formed from the same geological processes. For example, there are the same type of rocks found in the Brazilian coast of South America and the west coast of Africa. The fossils of some animals and plants are also found in both continents. They couldn't have crossed the ocean to reach the other continent. This is more evidence of the two continents having been connected in the past.
Antarctica and Africa were also connected at one point. Antarctica was part of Gondwana, which was a supercontinent that included Africa, South America, India, Australia, and Antarctica. They began to break apart around 200 million years ago. This is why the fossils of the same animals and plants are found in Africa and Antarctica. They were once living in the same area before the continents separated.
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