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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Q. What is percentage of trace gases in atmosphere?

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Q. In which layer of atmosphere temperature remains constant?

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Q. Above tropopause, there lies a

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Q. How many layers are found in atmosphere ?

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Q. Which is lower layer of atmosphere?

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Q. What is average global surface temperature?

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Q. Air density decreases along with

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Q. Zone marking end of troposphere is known as:

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Q. How much kilometer in stratosphere temperature remains constant?

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