Nine of the ten most abundant elements on earth are representative elements. the tenth is a transition element. iron is a transition element.
The chemical element iron has the atomic number 26 and the symbol Fe (derived from the Latin ferrum). It is a metal that is found in group 8 of the periodic table and the first transition series.
It makes up a large portion of both the outer and inner cores of the planet, making it the most prevalent element by mass, just ahead of oxygen (32.1 and 30.1 percent, respectively). It is the fourth most prevalent element in the crust of the Earth, having been primarily deposited by meteorites in its metallic state, along with its ores.
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True False. The Rio Grand River does NOT serve as a physical divider between Mexico and Canada.
FALSE starts in the southern Colorado San Juan Mountains and flows south through New Mexico.
The Rio Grande River is a natural border between Mexico and Canada. The Rocky Mountains' highest point is around three miles high.
The Rio Grande is the fifth-longest river in the United States and one of the world's top twenty. It stretches 1,901 miles from Colorado's San Juan Mountains to the Gulf of Mexico, forming a 1,255-mile part of the US-Mexico border.
Rio Grande, Spanish Ro Grande del Norte, or (in Mexico) Ro Bravo, or Ro Bravo del Norte, is the fifth longest river in North America and the 20th longest in the world, forming the border between Mexico and the United States.
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Where does Jonna live? Find it on the globe.
Answer:
in the Nordic village of Sweden
DISCUSS THE AIDS EPIDEMIC IN SUB-SAHARAN AFRICA, INCLUDING ITS ORIGINS AND ISSUES THAT MAKE THE PROBLEM WORSE, AND POSSIBLE SOLUTIONS TO THE PROBLEM
Please help!!!!
Answer:The AIDS epidemic in sub-Saharan Africa has been one of the most significant public health challenges of the past several decades. It is estimated that over 25 million people in sub-Saharan Africa are living with HIV, and that the majority of new infections occur in this region.The origins of the AIDS epidemic in sub-Saharan Africa are not entirely clear, but it is believed to have been introduced to the region through migration and trade routes from other parts of the world. The epidemic was first identified in the region in the 1980s, and since then it has spread rapidly, particularly in rural areas where access to healthcare and education is limited.There are a number of issues that make the AIDS epidemic worse in sub-Saharan Africa. One of the biggest challenges is a lack of access to healthcare, including HIV testing, treatment, and preventative measures. Many people in the region live in poverty and do not have access to adequate healthcare, making it difficult to prevent and treat the disease. Additionally, cultural beliefs and practices, such as stigma and discrimination against those living with HIV, can make it difficult for people to access the care they need.Another major issue is a lack of education about the disease, including how it is transmitted and how to prevent it. This can lead to risky behaviors and an increase in new infections. In addition, weak healthcare systems and limited resources can make it difficult to respond effectively to the epidemic
Explanation:used the new AI
Explain how an ethnic religion is likely to have an effect on the number of international pilgrimage locations.
Ethnic religions most likely cause the number of international pilgrimage sites to be closer to those of the ethnicity that follows it.
Great centres of pilgrimage attract visitors from widely dispersed cultural backgrounds and geographic locations, often enabling them to commemorate the origins of their particular faith.
Geographers are concerned with the distribution of the world’s religions because of the potential for religious conflict and the different ways that religions use space. Religion is another core value of culture but unlike other cultural values, few religions allow for people to join more than one religion.
The Dalai Lama is the exiled spiritual leader of Tibet.A universalizing religion appeals to people in a broad range of locations. The three universalizing religions with the largest number of adherents are Christianity, Islam, and Buddhism. Ethnic religions tend to be most appealing to a particular group of people in a particular place. The largest ethnic religion by far is Hinduism.
what is the amplitude of the traveling wave in the (figure 1)? express your answer to two significant figures and include the appropriate units.
The correct answer is As was already said, the period of the wave is equal to the duration of one oscillation as well as the duration of one wavelength travelling along the wave's course.
The greatest displacement of the medium from its equilibrium position is measured by the wave's amplitude (A).Waves may be divided into two categories: transverse and longitudinal. The displacement of the medium in a transverse wave is perpendicular to the direction of wave propagation (Figure 19-1). The displacement of the medium in a longitudinal wave is in the direction of the wave propagation (Figure 19-2). A travelling wave is one that moves across a single medium at the highest and lowest positions of the specified amplitude. Water surface ripples are an example of a transverse wave. guitar string vibrations. a Mexican wave at a stadium sporting event.
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c) Distiguish between Enviromental Determinism and possibilsm
The belief that the environment determines social development or that the environment has an impact on humans is known as environmental determinism. Possibility theory holds that people can adapt to or get past a situation.
What is the diference between Enviromental Determinism and possibilsm?The concept of environmental determinism holds that a society's growth is determined by the physical environment, including resources, geography, and climate.
Possibilism is the theory that human choices and actions can form a spectrum of possibilities rather than the physical environment dictating how a society develops.
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Hey can someone pls help me with with question. Is about right or left government choices.
Answer:
1-left 2-left 3-right 4-left 5-right 6-right 7-both
Explanation:
which of the following accurately compares the recurrence interval of magnitude 6 to 7 earthquakes to magnitude 8 earthquakes in the san francisco bay area?
Magnitude 8 earthquakes occur about once a century, whereas magnitude 6 to 7 earthquakes tend to occur about once a decade.
About earthquakeAn earthquake is an event where the earth's surface vibrates or shakes. Earthquakes can cause damage to fire.
In science, the study of earthquakes is called seismology. Seismology explains that an earthquake is an event of propagation or propagation of earthquake waves that reach the earth's surface due to the surprising and sudden release of potential energy that has layers beneath the earth's surface.
Earthquakes occur due to changes or movements of the earth's crust, called plate tectonics, and result in significant changes in the location of the land surface from its original position.
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What evidence do you have to support that the continents have collided?
Similar rocks discovered on multiple continents, as well as evidence of glaciers in unexpected places, support the hypothesis that the continents are linked.
The presence of fossils, which show that these continents were once connected but are now separated by vast oceans, serves as proof. The continents do not float in a molten sea.
These fossils represent tropical plants that are adapted to a much warmer, more humid climate. These fossils show that Svalbard once had a tropical climate.
We are aware that the continents are supported by tectonic plates, which are massive rock slabs. Plates are constantly moving and interacting in plate tectonics.
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Which of the following is true as a result of an increase in osmotic pressure of an aqueous solution that is separated from a compartment of pure water by a semipermeable membrane? The tendency for water to move by osmosis into the aqueous solution is increased.
Increasing the osmotic pressure of the solution means that there is now an even greater difference in osmotic pressures of the solution (higher osmotic pressure) and the pure water (lower osmotic pressure). The increase in that difference increases the tendency for water to move by osmosis into the solution.
The rate of flow of water out of cells is larger than the rate of flow into cells when cells are put in a concentrated salt solution with an osmotic pressure greater than that of the intracellular fluid.
The cells shrink and distort to the point that they are unable to function.The molar concentration of the solute particles in a solution determines its osmotic pressure, which is proportional to that concentration. The osmotic pressure of a solution rises as soon as the solute molecule concentration rises. Water will start to leak out of the cell via the semipermeable plasma membrane if the osmotic pressure in the environment is higher than that inside the cell. The osmotic pressure increases as the solute concentration increases. As a result, the relationship between the osmotic pressure and solute concentration is direct. Reverse osmosis will occur if pressure applied to a solution separated from a solvent by a semi-permeable membrane is greater than the osmotic pressure.
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How did Soviet economic policies affect the region's environment? What are some examples?
Answer:
Read belo:
Explanation:
Soviet economic policies had a drastic effect on the environment of the region.
The Soviet Union prioritized industrialization and the production of heavy goods such as steel and chemicals, resulting in the large-scale pollution of the atmosphere and water systems.
As a result of the inefficient and outdated manufacturing techniques used in the Soviet Union, toxic emissions from factories, burning of coal and oil, and inadequate disposal of chemical and industrial waste caused widespread air, soil, and water pollution.
Examples of the environmental damage caused by Soviet economic policies include:
1. Air pollution: The burning of coal and oil in the Soviet Union caused high levels of air pollution, which had a drastic effect on local ecosystems, contributing to acid rain and global warming.
2. Water pollution: The inefficient disposal of industrial waste into rivers and lakes caused widespread water pollution, resulting in the destruction of local wildlife and the contamination of drinking water sources.
3. Soil contamination: The use of chemical fertilizers and pesticides in agricultural production caused soil contamination, resulting in the destruction of local ecosystems and the contamination of food sources.
which of the following is mismatched rill erosion sheet erosion splash erosion gyully erosion streambak erosion
Sheet erosion is the removal of a thin layer of topsoil across an entire hillside pasture; it may not be immediately apparent. Rill erosion happens when runoff water focuses down a slope and creates tiny channels. T
The unintentional loss of soil from the surface of the ground or through channels cut into it by the action of rainfall and runoff is known as sheet, rill, and gully erosion. Runoff prevention and water quality preservation are aided by protecting the soil from erosion. In smaller streams and the higher stages of bigger streams and rivers, bank scour—the direct physical removal of bank debris by flowing water—often predominates.Gully erosion happens when water is forced across open ground without any protection, washing away the soil along the drainage lines. In the wild, vegetation controls drainage and typically holds the soil together, preventing excessive runoff and direct downpour.
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If an area was originally forested and then underwent urban development, describe the effects on various parts of the water cycle in the area.a. Evaporation and transpiration increaseb. runoff increasesc. groundwater recharge decreases.
Water infiltration is the process through which water seeps through soils or surface water bodies into the subsurface. Infiltrating water, commonly referred to as groundwater recharge, enters the groundwater system.
The process of evaporation turns liquid water into gaseous water (water vapor). Evaporation is how water gets from the surface of the Earth to the atmosphere. Heat energy causes the bonds holding the water molecules together to fall apart, which causes evaporation. 4. Wells are dug into the earth and water is pumped to the surface for use in agriculture, affecting groundwater reserves. This can harm aquifer supplies, diminish groundwater levels, and promote the drying up of surface water features including springs, rivers, and wetlands.
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The video states that the planetary orbits are shown to scale. Which statement correctly describes the way the planet sizes are shown compared to their orbits? View Available Hint(s) The video states that the planetary orbits are shown to scale. Which statement correctly describes the way the planet sizes are shown compared to their orbits?
Option C). The planets are all much too large compared to their orbits.
The third statement most aptly describes how the sizes of the planet are compared to the orbits as the size of the planets is shown 'much too large in comparison to their orbits' in the given video.
It must rather be vice versa as the size of the planets ranges differently from the smallest 2439.7 Km(Mercury) to the largest 69,911 Km(Jupiter) while the size of the orbit of the planets ranges from the diameter 4,878 km to 1,20, 536 Km.
A planet's orbit around a star, a natural satellite's orbit around a planet, or an artificial satellite's orbit around a space object or location like a planet, moon, asteroid, or Lagrange point are all examples of curved trajectories that make up an orbit in celestial mechanics. Orbit typically refers to a trajectory that repeats itself on a regular basis, though it can also refer to a non-repeating trajectory.
Thus, option C is the correct answer.
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Full Question :The video states that the planetary orbits are shown to scale. Which statement correctly describes the way the planet sizes are shown compared to their orbits? View Available Hint(s) The video states that the planetary orbits are shown to scale. Which statement correctly describes the way the planet sizes are shown compared to their orbits?
A. The planets should all be about twice as large as shown.
B. The planet sizes are correctly shown on the same scale as the orbits.
C. The planets are all much too large compared to their orbits.
D. Jupiter is shown correctly to scale with its orbit, but all the other planets are too larg.
Complete Essay #12: Compare and contrast the countries of Romania and Hungary.
The comparison of the countries of Romania and Hungary is given below:
Romania and Hungary are neighboring countries located in Eastern Europe.
What are their similarities and features?
Culture: Romania has a diverse cultural heritage, with influences from the Slavic, Balkan, and Hungarian cultures. Hungary has a rich cultural heritage, characterized by its unique language, music, folk traditions, and cuisine.
Geography: Romania is a landlocked country, with the Carpathian Mountains running through its center. Hungary is located in the Pannonian Basin, and is bordered by the Carpathian Mountains to the east.
Economy: Romania has a mixed economy, with a large service sector and a developing industrial sector. Hungary has a developed market economy, and is a member of the European Union.
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Which of the following were used by Wegener to support the continental drift hypothesis? CHOOSE ALL THAT APPLY.
In the first three decades of the current century, Alfred Wegener and DuToit acquired evidence indicating the continents had shifted.
They used a variety of pieces of evidence to support their theory of continental drift, including fossils, truncated geologic structures, paleoclimate indicators, and the fit of the continents.The fossil record is one sort of evidence that has been used to support the Theory of Continental Drift. In rocks with a comparable age, scientists have discovered fossils of related plant and animal species. The coastlines of many continents were home to these rocks. The continents may have formerly been connected, according to this. Alfred Wegener put out the Theory of Continental Drift in 1912. He supported his idea with a variety of data, such as fossils, rocks, glacier traces, coal deposits, and the way the continents fit together like a jigsaw puzzle.
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most comets are discovered when their coma develops, giving them a fuzzy appearance instead of stellar such as asteroids. (true or false)
The majority of comets are found when their coma forms, giving them a fuzzy look rather than stellar like asteroids. Scientists have established that the demise of the dinosaurs 65 million years ago was brought on by an asteroid or comet collision.
Asteroids are constructed of stony materials and metals, whereas comets are made of dust, ice, and rock components. They were both created 4.6 billion years ago. Much closer to the sun, where it was impossible for the ice to remain solid, asteroids formed. However, a comet begins to warm up as it approaches the Sun. The ice eventually starts to transform into gas. This may also cause gas jets to erupt from the comet, ejecting dust along with them. The coma, which is formed by the gas and dust, surrounds the nucleus.
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When a hemisphere experiences winter, tell what happens to the Sun’s energy hitting the surface of the hemisphere
Which of the following nations is the largest total emitter of carbon dioxide in North Africa and the Middle East? a. Saudi Arabia b. Turkey c. United Arab Emirates d. Iran
Answer: Iran
Explanation:
According to the Global Carbon Project, the largest total emitter of carbon dioxide in North Africa and the Middle East is Iran.
How did the black triangle and acid rain affect people from other countries?
People from other nations, notably in Europe, have been significantly impacted by the black triangles and acid rain.
A region in Europe known as the "black triangle" was severely impacted by acid deposition, which is defined as rainfall with a pH less than 5.6. Nitrogen dioxide and sulfur dioxide oxide emissions from power and industrial facilities are what lead to acid rain. Due to this pollution, the land became less fertile and the water became more acidic, among other environmental harms. These changes in the environment had a detrimental effect on forestry, wildlife habitats, and agricultural productivity, which in turn had an effect on the livelihoods of those who relied on these resources.
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identify the landform that has separated north africans from the rest of the continent. the sahara is the landform that separated north africans from the rest of the continent.
Answer: The Sahara creates a barrier between Northern Africa and the rest of the continent
Explanation:
A mountain or hill that remains when adjacent areas have eroded due to lower elevations is an ____________.
A mountain or hill that remains when adjacent areas have eroded due to lower elevations is an erosional remnant
A mountain is an elevated area of the crust of the Earth, typically with steep sides that reveal a significant amount of bedrock that has been exposed. Although definitions vary, a mountain is typically higher than a hill, rising at least 300 meters (1,000 feet) above the surrounding land.
A mountain may also differ from a plateau in having a small summit area. Most mountains are found in mountain ranges, though a few have isolated summits.
Mountains are created by tectonic forces, erosion, or volcanism, which can take tens of millions of years or longer to work.
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Why is a computer helpful when creating new iterations of the folded paper fractal?
Answer:
A computer is helpful when creating new iterations of the folded paper fractal because it can perform repetitive calculations and transformations quickly and accurately.
With the use of mathematical algorithms and computer software, one can easily create complex and intricate fractal patterns that would be time-consuming and difficult to achieve by hand.
Explanation:
Let g be the acceleration due to gravity of an object on the earth's surface. which one of the following is true?. () g does not depend on the object's mass () g does not depend on the Earth's mass () g is directly proportional to the Earth's radius () g is a universal constant, lik G () None of these are true
option (A) g does not depend on the object's mass; is true statement about acceleration due to gravity of an object on the earth's surface.
All presently recognized life in the universe is found on Earth, which is located third from the Sun. Although the Solar System contains enormous amounts of water, only Earth is home to liquid surface water. The ocean covers roughly 70.8% of Earth's surface, dwarfing the polar ice, lakes, and rivers.
Earth's surface is made up of continents and islands for the remaining 29.2% of its total area. Several slowly moving tectonic plates that make up the Earth's surface interact to create mountain ranges, volcanoes, and earthquakes. The magnetosphere of Earth is shaped by the magnetic field produced by Earth's liquid outer core, which blocks harmful solar winds.
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9. What can you infer about the changes in shape and size in the future of the Indian Ocean based on the rate of spreading of the two
sections of the Indian Ridge?
Ocean size and shape can change as a result of subsidence and sea level spreading.
What does ocean mean in a nutshell?About 85 per cent of the surface of the Earth is covered by the ocean, a vast body of saltwater. Oceanographers and nations around the world have normally classified the planet's ocean into four separate territories: the Coast, Maritimes, Indian, and North pacific.
What makes the sea blue?Water contains colors in the red portion of the light spectrum, which is why the ocean looks blue. This acts as a filter, leaving the blue portion of the visible light to be seen by us. As light reflects off of floating objects, the water could also take off green, crimson, or other hues.
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Citing examples discuss the impact of government projects in Kenya's rural areas
Explanation:
Government projects have had a significant impact on Kenya's rural areas, with a focus on economic growth, infrastructure development, and poverty reduction.
1. Economic Growth: The Big Four Agenda, a flagship project of the Kenyan government, focuses on four priority areas – food security, affordable housing, manufacturing, and universal healthcare. The government has invested heavily in rural areas to promote economic growth. This has included investing in irrigation and farming programs, providing access to credit for micro-entrepreneurs, and increasing access to markets for small-scale farmers. In addition, the government has implemented several initiatives to promote enterprise development, such as the SME Growth Fund, which provides loans to small and medium-sized businesses.
2. Infrastructure Development: The government has also invested in infrastructure development in rural areas. This includes the construction of new roads, bridges, and electricity infrastructure. In addition, the government has implemented projects to improve access to clean water, sanitation, and healthcare services. These projects have increased access to services and improved living standards in rural areas.
3. Poverty Reduction: The government has also implemented several initiatives to reduce poverty in rural areas. These include the provision of social safety nets, the establishment of microfinance institutions.
Only eight elements make up the vast majority of rock-forming minerals. Which of the following elements is not one of the eight?
Iron
Sulfur
Potassium
Oxygen
Answer:
Sulfur
Explanation:
The 8 elements are Oxygen, Silicon, aluminum, iron, magnesium, calcium, sodium, and potassium
Only eight elements make up the vast majority of rock-forming minerals. Among the given options, sulfur not one of the eight elements. The 8 elements are Oxygen, Silicon, aluminum, iron, magnesium, calcium, sodium, and potassium.
What is a mineral?Rocks are made up of minerals. A mineral is a naturally occurring substance that is solid, crystalline, room temperature stable, and inorganic. Accessory minerals are minerals that occur in minor quantities within a rock. Although accessory minerals are present in trace levels, they can provide vital insight into a rock's geological history and are frequently used to determine its age.
Mineral abundance and variety are determined by the abundance of the elements of which they are composed in the Earth's crust. The Earth's crust is made up of eight elements: oxygen, silicon, aluminum, iron, magnesium, calcium, sodium, and potassium. The chemistry of the igneous process directly controls the composition of minerals generated.
Therefore, the second option is the correct answer.
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question 7: set the simulator up for an observer on the equator. create some stars (~20) in the simulator and click animate continuously. describe the circumpolar stars seen from the equator
Set the simulator up for an observer on the equator. create some stars (~20) in the simulator and click animate continuously. describe the circumpolar stars seen from the equator There are no circumpolar stars seen from Equator.
A circumpolar star is one that appears to be close to one of the celestial poles and, as seen from a particular latitude on Earth, never sets below the horizon. Therefore, circumpolar stars are always visible from the location in question toward the closest pole throughout the entire night on every night of the year (and would be visible continuously during the day as well, but for the Sun's glare). Some are referred to as seasonal stars.
The latitude of the observer determines the size of the circumpolar circle in which all circumpolar stars are contained. More specifically, the latitude of the observer is equal to the radius of this circle in angular terms.
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which of the following geologic aspects influences our lives based on the photograph in the textbook showing horses and cows on a grassy field?
The correct answer is - Disparities. Sedimentary rock strata provide a wealth of information about Earth's past that geologists may deduce.
Geologists employ their understanding of physics, chemistry, and biology to comprehend these materials; as a result, geological subjects like geophysics, geochemistry, geochronology, and palaeontology include other sciences to help geologists better understand how the Earth functions.They impact the strength of a rock, how resistant it is to weathering and erosion, how a landscape evolves, and if rock fragments are forced free from a landscape. Exfoliation joints mirror topography and are more resistant to weathering than joint regions.
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which of the following minerals does not belong in the same group with the others? answe : a).copper b). halite c).sulfur d).gold d).diamond
The correct option is B ; Halite , Because it is an organic material, wood is not considered a mineral.
Which of the following materials, according to the definition of mineral, are not classified as minerals, and why: gold, water, synthetic diamonds, ice, and wood.
Two of the most fascinating minerals are graphite and diamond. They are chemically identical - both are made of carbon (C), yet they are significantly different physically. Polymorphs are minerals that have the same chemical but distinct crystal forms.
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