Sand and other granular materials are materials that are composed of many individual grains or particles. Although they have a solid appearance, they are not solid in the traditional sense and have the ability to flow. This flow property of sand and other granular materials makes them behave like a fluid.
When we talk about the flow of a material, we mean its ability to change shape and move in response to external forces, such as gravity. Sand and other granular materials are not considered liquids or gases, but they can exhibit fluid-like behavior due to their tendency to flow.
This flow behavior of sand is seen when we pour sand from a container or a hopper. The individual grains of sand move and rearrange themselves in response to gravity, allowing the sand to flow out of the container and form a pile on the ground. The flow of sand is a result of the interparticle interactions between the individual grains.
In some cases, the flow of sand can become extremely fast and can even become hazardous, as seen in sandstorms and sand avalanches. The flow of sand is influenced by various factors, such as the size and shape of the individual grains, the packing density of the grains, and the external forces acting on the sand.
In conclusion, sand and other granular materials have the ability to flow and exhibit fluid-like behavior, making them a unique class of materials that can be both solid and fluid at the same time. This flow property of sand makes it an important material in various fields, including construction, agriculture, and industrial processes.
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9) changes in atmosphere are not the only changes that impact climate. how can changes in earth’s orbit impact temperature?
Because they alter how much energy our planet receives from the sun, modifications to the Earth's orbit around it and to its axis' tilt and wobble can result in a cooling or warming of the planet's climate.
Since the sun is ultimately the source of almost all of Earth's atmospheric energy, it makes sense that the planet's orientation and position with respect to the sun would affect climate. The tilt and direction of the Earth's axis in relation to fixed stars in the galaxy, as well as the shape of the Earth's orbit around the sun, are all variable. On time scales ranging from 26,000 to 100,000 years, these astronomical and orbital changes repeat, and one canTo know more about Orbital plate here
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What are the 2 main causes of Earth's seasons?
Answer:
The earth's spin axis is tilted with respect to its orbital plane. This is what causes the seasons. When the earth's axis points towards the sun, it is summer for that hemisphere. When the earth's axis points away, winter can be expected.
Explanation:
Remind pupils that the tilt of a planet's axis and its orbit around the sun are the two factors that cause seasons to exist.
What is the rhyme to recall the planets in order?Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune should be remembered in that order in order to provide a right response to this question. This order can be remembered by using a mnemonic device. My Very Excellent Mom Just Served Us Noodles is a well-known mnemonic device.
From smallest to largest, what is the planets' order?In the solar system, Jupiter is the biggest planet while Mercury is the smallest. Jupiter, Saturn, Neptune, Uranus, Earth, Venus, Mars, and Mercury are thus listed from highest to lowest in descending order.
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which latitude shown on the diagram above experiences 24 hours of daylight on dec 21?
The Arctic Circle (66.5° North latitude) is the latitude where there are 24 hours of daylight on December 21.
What is an Artic Circle?Located 66.5° North of the equator, the Arctic Circle is a line of latitude. The polar night (24-hour darkness) or the Midnight Sun (24-hour sunshine) may be experienced at this latitude, which is the furthest south at which the sun can be seen continuously above or below the horizon for 24 hours. It includes the northernmost regions of Norway, Sweden, Finland, Russia, Alaska, and Canada, as well as sections of Europe, Asia, and North America. It also includes the Arctic Ocean. The Arctic Circle is an important border for the physical and human geography of the far north, and it has influenced the culture and way of life of the local indigenous population.
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what is the evidence for dark intergalactic clouds between us and quasars?
a. The emission lines in quasar spectra are very broad.
b. We observe the 21cm hydrogen spectral line in quasars.
c. Quasar spectra show absorption lines of gas at various redshifts.
d. X-rays from quasars chang periodically as they pass through rotating intergalatic clouds.
The evidence for dark intergalactic clouds between us and quasars is option a. The emission lines in quasar spectra are very broad.
Interstellar dust is a type of cosmic dust found in the solar system. Unlike interstellar gas, which has smaller dust particles, interstellar dust can block visible light. Because the light from the stars behind them is absorbed by interstellar dust, star-forming clouds, in contrast to smoke and fog, contain a large number of tightly packed clumps of atoms and molecules.
Oxygen, carbon, iron, silicon, and magnesium are just a few of the elemental compounds found in interstellar dust. It is brought on by the death of stars, which during their lifetimes produce metals before either exploding or blowing off their outer layers. The typical dust grains in interstellar space are much smaller than the dust we are familiar with on Earth, more like soot from a candle.
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in order to understand our future climate, scientists need to understand the past by looking at a time in our geological history when co2 levels were double what they are today. this is accomplished by:
To understand our future climate, scientists need to understand the past by looking at a time in our geological history when co2 levels were double what they are today by drilling holes into the soil to obtain sediment cores.
The scientific drill ship JOIDES Resolution has spent more than 50 years exploring the layers of sediment on the ocean floor through globally coordinated excursions. Scientists can reconstruct and assess global climate shifts that occurred in the distant past by analyzing these sediments and the microfossils that are contained inside.
In order to learn more about previous deep-sea temperatures, global ice quantities, and the carbon cycle, they investigate the data stored in oxygen and carbon isotopes. The shells of microorganisms that once inhabited the sea floor contain these hints. They serve as a historical record of former climatic conditions that scientists may compare to the present and future.
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What charge has Amnesty International made regarding the people of northern Sudan
The human rights commission, Amnesty International, has charged excessive militias force, sexual violence, excessive killings, detention, and deprivation of justice to the people of Northern Sudan, Darfur.
The primary instances of sexual violence had been female genital mutilation and corporal punishment of protestors. All the aforesaid forms of torture resulted in the complete dissolution of human rights and resulted in enormous debts to the government to carry out primary reparations.
In short, the charges made by Amnesty International can be summarised as; failure of the transitional government, barging military forces against common citizens and refugees, and loss of order to tackle revolt.
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This is helpful to monitor the latest weather condition or updates for announcement of rescue operation and delivery of relief goods?
TV and radio are helpful to monitor the latest weather condition or updates for announcement of rescue operation and delivery of relief goods.
ABOUT MASS MEDIAMass media are tools (media) in communication that can spread messages simultaneously, quickly to a broad and heterogeneous audience. The advantage of the mass media compared to other types of communication is that it can overcome the barriers of space and time. Even the mass media is able to spread messages almost instantly at unlimited times.
The mass media at this time has become an essential part of society. It is hard to imagine modern society without mass media such as newspapers, magazines, books, radio, TV and films. Even today, the media can control people's mindsets and shape people's character.
The media is able to determine the theme in the social interaction of society. What is discussed in the media is also the topic of discussion in society. Even realizing it or not, the media is also able to influence lifestyles in society, regardless of cultural aspects. So that there are many deviations made by the community because they imitate the lifestyle that is broadcast or broadcast by the media. So it seems as if the position of the media will further exclude the existing culture in society.
For example, we can see in the reality of society regarding the fashion of clothes worn by young people in accordance with the times. Most of them follow the modes presented in the media.
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the beaks of finches found on various galapagos islands differed based on
The beaks of finches found on various Galapagos Islands differed based on the type of food available in the local environment.
Different types of finches had beaks adapted to different types of food, such as seeds, insects, or fruit. This adaptation allowed them to survive in the local environment and gave them a competitive advantage over other species.
Charles Darwin observed this phenomenon while visiting the islands in 1835 and used it as evidence in his theory of evolution by natural selection.
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Great volcanic eruptions send dust and ash into the stratosphere. Weeks after such great eruptions, air temperatures are often.
The temperature in atmosphere after Great volcanic eruptions send dust and ash into the stratosphere is Cooler than normal because atmosphere is less transparent.
Huge quantities of volcanic gas, aerosol particles, and ash are released into the stratosphere during massive explosive eruptions. Injected ash rapidly detaches from the stratosphere and is largely cleared within a few days to weeks. It has no effect on global warming.
Climate is impacted by the gases and dust that volcanic eruptions release into the atmosphere. By blocking incoming solar light, the majority of the particles that volcanoes spew chill the globe. Depending on the eruption's properties, the cooling impact can last anywhere between months and years.
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(question most volcanism in the world is associated with.A Plate boundariesB Midcontinental hot spotsC - FaultingD - Aquifer depletionE Desertification
Most volcanism in the world is associated with: A) Plate boundaries.
On Earth, volcanism occurs in several distinct geologic settings. Most of these are associated with the boundaries of the enormous rigid plates that make up the lithosphere—the crust and upper mantle.Sixty percent of all active volcanoes occur at the boundaries between tectonic plates. Most volcanoes are found along a belt, called the “Ring of Fire” that encircles the Pacific Ocean.Sometimes, the plates collide with one another or move apart. Volcanoes are most common in these geologically active boundaries. The two types of plate boundaries that are most likely to produce volcanic activity are divergent plate boundaries and convergent plate boundaries.Although there are several factors triggering a volcanic eruption, three predominate: the buoyancy of the magma, the pressure from the exsolved gases in the magma and the injection of a new batch of magma into an already filled magma chamber
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Which of the following European countries has marine west coast climate
Answer:
European countries that have a marine west coast climate include coastal Oregon, Washington, British Columbia, and southern Alaska.
Explanation:
The oceanic climate is the climate that is found in the coastal region, and it is humid in almost every time to the years. The geographical location is on the west side of the oceans that bring cloudy precipitation skies and mild temperatures.
The mountain system orientations usually influence the climate distribution in Europe and North America regions. The marine climate has a narrow strip that extended to the north and south parts of the mountains.
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a deadly plane crash recently occurred in which south asian country?
A deadly plane crash recently occurred in Sri Lanka, a South Asian country located in the Indian Ocean.
The crash occurred on January 19, 2023, when a twin-engine propeller plane crashed on approach to the city of Pokhara, with 72 people on board. The black box from the wreckage was recovered, but the cause of the crash is still unknown.
The plane was operated by the Sri Lankan airline, Airline Gem, and was on a domestic flight from the capital Colombo to the city of Pokhara. The plane was carrying 67 passengers and five crew members. The plane reportedly crashed into a mountainside in dense fog, and all 72 people on board were killed in the crash.
The plane crashed in a remote and mountainous area of northern Sri Lanka, and rescue teams had difficulty accessing the site of the crash. Upon investigation of the black box, it was revealed that the pilots had reported technical difficulties shortly before the crash. The Sri Lankan Civil Aviation Authority has launched an investigation into the crash, and is working with international aviation authorities to determine the cause of the crash.
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The deserts that cover most of the Arabian Peninsula have significant...
answer choices
rainfall in the monsoon season.
winds that bring deadly heat and chocking dust.
water reserves that well up in oases.
resources in the form of gold, copper, limestone, and marble.
The deserts that cover most of the Arabian Peninsula have significant winds that bring deadly heat and choking dust
The Arabian Desert is one of the largest hot deserts in the world, covering a large portion of the Arabian Peninsula. This desert is characterized by its extreme temperatures, with high temperatures during the day and low temperatures at night. The hot and dry conditions in the Arabian Desert are largely driven by the winds that sweep across the region, bringing with them heat and choking dust.
These winds are often strong and gusty, with speeds that can reach up to 60 km/h or more. The winds pick up fine particles of sand and dust from the desert floor and carry them over long distances, causing visibility to be greatly reduced and sometimes even completely obscured. The dust and sand carried by these winds can also be extremely harmful to human health, causing respiratory problems and other health issues.
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whichtype of rock forms under high temperatures and pressures but it not exposed toenough heat to melt?
Metamorphic rocks often forms under high temperatures and pressures but it not exposed to enough heat to melt.
Rocks subject to metamorphism are frequently crumpled, smeared, and compressed. Metamorphic rocks do not grow hot enough to melt because if they did, they would turn into igneous rocks. Typical Metamorphic Rocks The metamorphic rocks phyllite, schist, gneiss, quartzite, and marble are frequently encountered.
Rocks that have undergone metamorphosis sometimes resemble the original rock. Any rock, whether igneous, sedimentary, or metamorphic, has the potential to undergo metamorphism. All that is required is sufficient heat and/or pressure to modify the physical or chemical composition of the existing rock without melting it completely.
Regional metamorphic rock, which is typically found in hilly areas, is primarily created by pressure rather than heat.
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the central part of a planet, especially the inner part of the earth. it usually has different physical properties from the surrounding layers.
The central part of a planet earth is called its "core." It usually has different physical properties from the surrounding layers.
The core of a planet is an essential part of its makeup, and it usually has physical properties that are distinct from the surrounding layers. Generally, the core of a planet is composed of iron, nickel, and other elements, which can form a solid inner core or a liquid outer core.
Depending on the planet, its core can be very dense, hot, and even partially molten, and it can range in size from hundreds of kilometers to thousands of kilometers. The core plays a significant role in planetary processes such as gravity and magnetic fields, and its properties are vital for understanding the internal structure and history of a planet.
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In which areas does subduction of the ocean floor take place? (a) rift valleys (b) the lower mantle (c) mid-ocean ridges (d) deep-ocean trenches
Answer: D
Explanation: Deep ocean trenches
the trade winds of the northern and southern hemispheres meet at the equator in a narrow zone of weak variable winds called
The Intertropical Convergence Zone (ITCZ) is an area where the trade winds of the northern and southern hemispheres meet at the equator.
This zone is characterized by weak and variable winds, which are caused by the converging of the two air masses. As the trade winds from the northern and southern hemispheres approach the equator, they warm up and become less dense, causing them to rise and form a band of low pressure. This low pressure zone causes the two air masses to converge and mix, creating a narrow zone of weak and variable winds.
The trade winds of the Northern and Southern Hemispheres meet at the equator in a narrow zone of weak variable winds called the Doldrums. In this area, the winds of the two hemispheres converge and mix, resulting in a band of light, variable winds and often foggy conditions. This area is also known as the Intertropical Convergence Zone (ITCZ).
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How many goals are there in the constitutional aims?
There are six goals in the constitutional aims: to form a more perfect union, to establish justice, to ensure domestic tranquility, to provide for the common defense, to promote the general welfare, and to secure the blessings of liberty.
Form a more perfect Union meant building a government that is better to the one established by the British colonialists.To learn more about constitution, click here:
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When in the Course of human events, it becomes necessary for one people to dissolve the political bands which have connected them with another . . . a decent respect to the opinions of mankind requires that they should declare the causes which impel them to the separation.
–Declaration of Independence,
1776
What does this quotation from the introduction of the Declaration of Independence do?
It explains what the rest of the document will do.
It acknowledges the authority of the monarchy.
It lists the rights that nature gives all men.
It states the colonists’ lack of respect for Great Britain.
This quotation from the introduction of the Declaration of Independence explains what the rest of the document will do. Thus the correct option is A.
What is the Declaration of Independence?The independence of 13 North American British colonies from Great Britain was declared in the Declaration of Independence, which was adopted by the Continental Congress on July 4, 1776, and aimed to gain supporters abroad, and announce the birth of a new nation.
The many objections and conflicts that prompted the colonies to want freedom from the British throne were outlined by the Declaration's authors in this quotation.
Therefore, option A is appropriate.
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where was the first recorded attempt to measure the ocean's depth
Answer:
Explanation:b
The first recorded attempt to measure the ocean's depth was made by the British Royal Society in the late 1700s.
The Royal Society commissioned a survey of the Atlantic Ocean, which involved sending a sounding line (a rope with a weight on the end) into the ocean to measure the depth.
This early attempt was not very accurate, as the technology for measuring ocean depth was not yet developed.
It was not until the invention of sonar in the 20th century that scientists were able to accurately measure the depths of the world's oceans.
Today, sophisticated technology, including satellites and robots, is used to map and study the ocean floor.
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What is the worst that happens to tall buildings in Los Angeles and San Francisco during the big earthquakes? Question 5 options: (a) They sway back and forth, but do not suffer much damage. (b) Superficial damage only, such as many broken windows. (c) They suffer severe structural damage but remain standing. (d) They fall over or collapse.
Answer:
i believe its A or C
Explanation:
Explain why it makes sense that there is more than one way to make the object balance
There are multiple ways to balance objects because the force of the objects and the distance between the forces given by the objects determine the torque.
In this scenario, both objects have equal masses and are placed at equal distances from the fulcrum. This results in a balanced system, as the torque generated by each object is the same. However, if the objects had different masses or were placed at different distances from the fulcrum, the torque generated by each object would be different, resulting in an unbalanced system.
The ability to balance objects in multiple ways demonstrates the importance of considering both the force and the distance of the forces when analyzing the stability of a system.
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in which region of the united states was the first permanent english settlement?
The first permanent English settlement in the United States was located in Jamestown, Virginia.
On behalf of King James I, for whom the town is named, the Virginia Company established Jamestown on May 14, 1607. Additionally, it was the first prosperous long-term English settlement in North America. The colony fared better from 1612 after several trying years due to starvation, sickness, and a tense relationship with the Indians. John Rolfe, a pioneer, introduced a particular tobacco plant that year, and it proved to be quite successful.
Jamestown was completely destroyed in 1676 as a result of the Bacon Rebellion. After that, the settlement was restored, but in 1698, a second fire destroyed the State House, the colonial government's administrative center. As a result, the Virginia colony was moved from Jamestown to Williamsburg in 1699. Jamestown was left in ruins.
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A farmer is choosing which agricultural products to produce on her land. Under which conditions would von Thünen’s model be most relevant to her decision?
A.
Certain agricultural products receive heavy government subsidies, while others do not.
B.
The farmer intends to ship the farm product to processors on the coast for export internationally.
C.
The farm is in a region of uniform climate and productivity, with one main market city.
D.
The farm is located in a region with strict beliefs guiding food preferences and agricultural methods.
E.
The farm is in a semi-arid region, and local people have strong food preferences.
Edit: C was the answer
Von Thünen's model is based on the principle of diminishing returns of land, which states that as land is used for agricultural production, making Condition C the most relevant to the farmer's decision.
Von Thünen’s model is a theory of agricultural land use that takes into account the geographic location, cost of transportation, and agricultural productivity of a given area. It is particularly useful for farmers choosing which agricultural products to produce when the farm is located in a region of uniform climate and productivity, with one main market city.
This is because von Thünen’s model suggests that the cost of transportation will be the main factor affecting the type of products produced in a given area.
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Ocean zones are primarily characterized by:
A) color
B) smell
C) depth and Latitude
D) vibe
where is one fifth of the world’s supply of freshwater located?
Answer: Lake Baikal holds a fifth of the world’s supply of freshwater
What’s is the driving force behind wind and ocean currents?
distinguish between a strong pressure gradient force and a weak pressure gradient force
A strong pressure gradient force refers to a large difference in air pressure over a short distance which results in strong winds and can cause turbulence.
A weak pressure gradient force refers to a small difference in air pressure over a large distance which results in light or moderate winds and does not typically cause turbulence. The strength of the pressure gradient force affects the movement of air and can influence weather patterns.
What are pressure gradient force?The initial factor that causes air or wind movement is the variation in heating (and thus variations in pressure) from one location to another. The most direct path from high to low pressure is the path where the pressure changes the fastest. The rate of change is referred to as the pressure gradient.
The force that moves air from a high pressure area to a low pressure area is known as pressure gradient force. The velocity of the wind is determined by the pressure gradient. Wind speed is high when the pressure gradient is strong. The wind speed is low when the pressure gradient is weak.
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are more stars circumpolar at the north pole or in the united states? explain.
Circumpolar stars will be stars that never rise or set, but instead make everyday counterclockwise circles around the north heavenly pole.
As such, they are unendingly over the horizon. Therefore, we would see more circumpolar stars at the North Pole.
For a significant part of the United States, the stars of the Huge Scoop and Cassiopeia never set. They show up close enough to Polaris that they never dip under the horizon. So they're overhead consistently and evening of the year, interminably revolving around the North Star.
Such stars are designated "circumpolar." The quantity of such stars from some random area relies upon scope. From 30 degrees north — the scope of Austin or New Orleans — anything inside 30 levels of Polaris generally stays over the horizon. From 50 degrees north — generally Paris or Vancouver — it's anything inside 50 levels of Polaris. So as you go farther north, more stars are circumpolar.
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How did Britain get control over the region? Why did they eventually withdraw?