Q. What are the causes of high level of ozone?

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Q. Which two gases forms the 99 percent of atmosphere?

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Q. What is absorbed by the ozone?

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Q. What is the temperature at the tropopause?

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Q. What percent of heat is reflected by the surface of earth?

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Q. The earth and its atmosphere is the greatest

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Q. When the watervapours, carbon dioxides and cloud droplets retain heat in the atmosphere is known as

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Q. What are the effects of smog on water bodies?

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Q. In which layer the highest concentration of ozone is present?

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Q. Which two layers of atmosphere are important for human life?

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Q. What are the causes of smoke and other particles suspended in the atmosphere?

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Q. Why less heat is reached at the poles?

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Q. Why the top layer of stratosphere is warmest?

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Q. The water vapor percentage by volume can be as little as 0.20 in

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Q. The atmosphere contains how much percentages of Oxygen?

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Q. In the atmosphere some heat is absorbed by

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Q. What health problems can be caused by smog?

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Q. Where the insolation is greatest?

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Q. Which power is the fastest source of electricity in the world?

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Q. The solar energy reaching the earth surface is known as

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