Q. Molecules can also be formed by a single element such as:

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Q. Ozone depletion is caused by human produced

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Q. Between 1928 and 1958, Dobson established a worldwide network of

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Q. According to 'IPCC' defination, surface temperature of sun is:

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Q. Almost 30%, forests cover world's

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Q. Process involved in cutting and burning of trees by farmers, known as:

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Q. UV radiations' are known to be harmful for cornea and

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Q. In atmosphere nitrogen constitutes

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Q. IPCC' stands for

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Q. Since 1960s, thickness of arctic ice has decreased by

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Q. Cryosphere' is a component of climate system, consisting of

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Q. What are some man made greenhouse gases?

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Q. Global warming is damaging earth's climate as well as the

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Q. Photovoltaic' cells are solar cell, which are made of

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Q. According to current survey, both water cycle and rainfall patterns are:

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Q. High humidity allows for rapid oxidation of SO₂ to form

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Q. Tree crops and rubber plays an important role in

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Q. Ozone layer in stratosphere protect life from

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Q. Ozone, in stratosphere is usually form over the

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Q. Tritium is used to trace spread of radioactivity in the

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