Q. Troposphere contains most of air in the

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Q. ppb' stands for

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Q. What did cause thousands of deaths in 1950?

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Q. What does form when two or more elements are chemically joined?

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Q. EU' stands for

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Q. Clouds are formed by process of

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Q. One of traumatic effect of acute global warming is

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Q. GHGs' stands for

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Q. Natural green house effect helps in

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Q. In winters, ozone layer has become

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Q. A coal fired power station is an example of

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Q. Developing countries are also known as:

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Q. In atmosphere, oxygen constitutes

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Q. Rate of ozone depletion is increasing, approximately

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Q. In 2000, US banned use of

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Q. Green revolution developed new strains of crops, ultimately responsible for increasing

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Q. Sink is a process, which removes a greenhouse gas from the

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Q. Rare gases present in atmosphere includes argon, krypton and

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Q. 'HPa' stands for

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Q. 'PM' stands for

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