Q. UV-B radiation adversely affect immune system, causing:

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Q. What does tropical rainforest provide?

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Q. In 1987, montreal protocol agreement was scaling down of:

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Q. Nitrous oxide are emitted in atmosphere by use of synthetic fertilizers for:

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Q. Tropical 'cyclones' occur in:

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Q. Windmills are located at top of a tower to height about:

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Q. Mostly deforestation has occurred in the:

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Q. Power dissipation index measures destructive power of:

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Q. Primary energy is a source of energy such as fossil fuels, nuclear or:

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Q. A compound is a substance formed from two or more elements chemically combined in:

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Q. Water takes large amount of heat input to give it a small:

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Q. Condensation is a process of changing state from gas to:

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Q. UV radiation from Sun strikes molecules of oxygen, causes two oxygen atoms to:

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Q. About 30% of incoming solar radiation is reflected by surface of earth and:

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Q. Condensation is process that changes substance from:

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Q. CFCs emission have accounted for 80% of total:

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Q. Passive solar design works in an affective way, building design for maximizing use of:

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Q. 'IPCC' is world scientific body assessing:

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Q. 'Monsoon' is a particular seasonal weather patterns in a:

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Q. Forests help in driving:

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