Q. Water enters atmosphere by

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Q. Which layer of atmosphere do clouds, storms and wind occur in ?

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Q. What is lower layer of thermosphere called ?

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Q. What helps atmosphere hooked up to earth ?

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Q. How much atmospheric mass is on troposphere?

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Q. In which layer of atmosphere does temperature decreases slowly with altitude ?

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Q. What would happen if earth had no atmosphere ?

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Q. Majority of meteriorites burn and disintegrate in

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Q. What is total mass of atmosphere?

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Q. What is lower layer of atmosphere called?

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Q. Closest atmospheric layer to earth's surface is known as

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Q. In which layer temperature decrease with increase in altitude?

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Q. Ppm stands for

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Q. What is source of O₂ and CO₂ ?

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Q. How much percent is a dry air in atmosphere?

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Q. What is air pressure at sea level?

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Q. In which layer of atmosphere gases exhibit high kinetic energy?

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Q. How much pressure exerted by our atmospher ?

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Q. What is concentration of O₂ in atmosphere?

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Q. What does ionosphere shell consist of ?

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