upsc-cse · environment-and-ecology

Practice — "Climate Change & Environmental Policy"

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15 questions30 total marks18m estimated
Question 1 of 15
18:00
EASY2 marks
The greenhouse effect, in its natural form, is: (a) an essential process without which Earth would be too cold to support life (b) entirely a human-caused problem with no natural component (c) identical in meaning to ozone layer depletion (d) caused only by CFCs
0 of 15 answered
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