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UPSC 2019 › Environment & Ecology › Climate Change & Greenhouse Gases
2 questions · 2019 · answers as per the UPSC key
UPSC 2019 · Q25 · Environment & Ecology › Climate Change & Greenhouse Gases · Save
In the context of which of the following do some scientists suggest the use of cirrus cloud thinning technique and the injection of sulphate aerosol into stratosphere?
(a) Creating the artificial rains in some regions
(b) Reducing the frequency and intensity of tropical cyclones
(c) Reducing the adverse effects of solar wind on the Earth
(d) Reducing the global warming
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Answer: (d) Reducing the global warming
UPSC 2019 · Q34 · Environment & Ecology › Climate Change & Greenhouse Gases · Save
Which of the following statements are correct about the deposits of 'methane hydrate'?
- Global warming might trigger the release of methane gas from these deposits.
- Large deposits of 'methane hydrate' are found in Arctic Tundra and under the seafloor.
- Methane in atmosphere oxidizes to carbon dioxide after a decade or two.
Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
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Answer: (d) 1, 2 and 3