Atmosphere

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The ozone layer is located in the stratosphere, a region of the atmosphere that is about 10 to 50 kilometers above the Earth. The stratosphere consists of approximately 90 percent ozone. Ozone has the chemical formula O3.

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  • Where do clouds come from?

    Q: Where do clouds come from?

    A: Clouds come from small liquid droplets or frozen crystals of water and float in the atmosphere above the surface of Earth, or any other planet known to have a gas in the atmosphere.
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  • What is the function of the atmosphere?

    Q: What is the function of the atmosphere?

    A: The atmosphere works as a place to contain the oxygen that is necessary for life, works as a blanket to shield the earth from radiation and helps to create the different types of weather that are felt on the Earth. The atmosphere also contains small amounts of carbon dioxide that is necessary for plants to be able to live.
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  • How does altitude affect climate?

    Q: How does altitude affect climate?

    A: Altitude affects climate in that the higher up you get, the more the temperature drops. The temperature goes down roughly 4 degrees Fahrenheit for every 1,000 feet you climb. Altitude is the subject's distance from the sea. This is why a lot of high-up places such as mountaintops often get snow for most of the year when other places do not, no matter how low the temperature drops.
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  • How does the ozone layer work?

    Q: How does the ozone layer work?

    A: According to How Stuff Works, the ozone layer works by ultraviolet light breaking apart oxygen molecules and then reforming them as ozone. Ozone converts the dangerous ultraviolet rays into harmless heat. With an adequate supply of ozone and oxygen, the ozone layer will absorb approximately 98 percent of incoming ultraviolet rays.
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  • What happens when hot air meets cold air?

    Q: What happens when hot air meets cold air?

    A: When hot and cold air meet, the warm air rises above the cool air, creating a low pressure zone. Warm air tends to cool as it reaches higher elevations, with the liquid in it condensing and forming clouds and rain. Cool air rushes in to fill the low pressure zone, pushing more warm air up and creating a cycle that can result in high winds and storms.
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  • Who discovered the greenhouse effect?

    Q: Who discovered the greenhouse effect?

    A: In 1824, Joseph Fourier was the first to argue for the existence of the greenhouse effect. Svante Arrhenius fully quantified the greenhouse effect in 1896.
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  • What is the climate of the Atacama desert?

    Q: What is the climate of the Atacama desert?

    A: The Atacama Desert in Chile is the driest desert in the world. Average rainfall totals 0.59 inches per year, but some weather stations placed there have never received rain, and historical evidence suggests the desert may have experienced no rainfall at all from 1570 to 1971. Daytime temperatures average between 32 and 77 degrees Fahrenheit, and nighttime temperatures can drop to 10 to 15 degrees below zero.
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  • How was Cyclone Tracy formed?

    Q: How was Cyclone Tracy formed?

    A: Cyclone Tracy developed as a tropical low-pressure system in the Arafura Sea between Australia and New Guinea on Dec. 20, 1974. The low was 300 miles away from Darwin in Australia's Northern Territory. Cyclone Tracy killed 71 people, caused 650 injuries and destroyed 80 percent of the buildings in Darwin. As of July 2014, this storm is the deadliest in Australian history since modern record-keeping began.
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  • What atmospheric layer contains the most ozone?

    Q: What atmospheric layer contains the most ozone?

    A: The ozone layer contains about 90 percent of Earth's ozone. It is part of Earth's stratosphere and lies between 6 and 30 miles above the planet's surface, according to the Environmental Protection Agency. The highest concentration of ozone is found between 12 and 19 miles above the surface, notes Wikipedia.
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  • What are some examples of atmospheres?

    Q: What are some examples of atmospheres?

    A: Earth's atmosphere is primarily composed of nitrogen and oxygen with water vapor comprising 0.25 percent of the atmosphere by mass. It has five layers: troposphere, stratosphere, mesosphere, thermosphere and exosphere.
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  • Where is the ozone layer located?

    Q: Where is the ozone layer located?

    A: The ozone layer is located in the stratosphere, a region of the atmosphere that is about 10 to 50 kilometers above the Earth. The stratosphere consists of approximately 90 percent ozone. Ozone has the chemical formula O3.
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  • Why is there wind?

    Q: Why is there wind?

    A: According to the National Center for Atmospheric Research, wind exists because of the movement of air and the differences in air pressure within the atmosphere. When high-pressure air moves toward low-pressure air, the difference in pressure leads to a faster air current or stronger wind.
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  • What can we do to prevent ozone depletion?

    Q: What can we do to prevent ozone depletion?

    A: According to Green Diary, ozone depletion can be prevented by limiting the use of private vehicles, making use of eco-friendly cleaning products for the home, avoiding the use of pesticides and banning the use of nitrous oxide. The main cause of ozone depletion is the use of man-made halocarbon refrigerants including freons, halons and CFCs.
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  • Why does the sky change colors?

    Q: Why does the sky change colors?

    A: There are many proximate causes for changes to the color of the sky, but they all involve the way light is diffracted through the air. Light from the sun can be bent as it moves through the Earth's atmosphere, and the wavelengths of light that are able to pass most easily through the air give the sky its color.
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  • Why is the coolest time of day just before sunrise?

    Q: Why is the coolest time of day just before sunrise?

    A: According to USA Today, the coldest time of the day comes just before sunrise because the earth has had all night to expel the heat from the previous day into the atmosphere. As soon as the sun begins to rise, the earth will immediately begin to heat up once again.
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  • What is a jet stream?

    Q: What is a jet stream?

    A: Jet streams are areas of high winds that flow in a westerly direction on Earth. Occurring about 7 miles above the surface of the Earth, the jet streams do not take a consistent path because the flow of wind moves about slightly, altering the weather patterns as it does so. At times, slivers of wind may break away from the main flow and only rejoin the jet stream later.
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  • Why does the atmosphere become less dense as altitude increases?

    Q: Why does the atmosphere become less dense as altitude increases?

    A: The atmosphere becomes less dense as altitude increases because there is less weight on the air molecules, making them less compressed. The air at lower altitudes is denser because it is pressed down by the weight of all the air molecules above. Also, the further away air molecules are from the Earth, the less weight they have because of a lower gravitational pull.
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  • What are the steps of the convection cycle in Earth's atmosphere?

    Q: What are the steps of the convection cycle in Earth's atmosphere?

    A: According to the University of Illinois at Urbana-Champaign, convection refers to the distribution of heat through vertical motions of air. Different surfaces absorb different amounts of energy and convection occurs where a particular surface heats up rapidly. Convection includes both large- and small-scale rising and sinking of air masses and smaller air parcels.
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  • How does the atmosphere support life on Earth?

    Q: How does the atmosphere support life on Earth?

    A: The atmosphere supports life on Earth by protecting it from dangerous electromagnetic radiation, by creating and controlling weather and climate and by providing the gases that plants and animals need to breathe. The atmosphere is composed of the troposphere, the tropopause, the stratosphere, the mesosphere and the ionosphere.
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  • Why is the ozone layer important?

    Q: Why is the ozone layer important?

    A: The ozone layer is important because it filters harmful ultraviolet radiation as it travels from the sun to the surface of the Earth. These ultraviolet rays can harm both plant and animal life. After observation of a depletion of the ozone layer from the addition of chlorofluorocarbons and other man-made chemicals, the Montreal Protocol was enacted on Jan. 1, 1989 as an attempt to eradicate these chemicals from the atmosphere.
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  • Why is the sky pink sometimes?

    Q: Why is the sky pink sometimes?

    A: The physical process of scattering causes the sky to appear pink at times and other colors too. During this process, tiny particles of light are bounced off air molecules. Wavelength, time of day and laws of quantum mechanics play key roles in determining the color of the sky.
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