Question

Global warming means a …………… in average effective temperature near the earth’s surface due to an …………… in the amount of greenhouse gases in its atmosphere.
(a) decrease, increase
(b) decreases, decrease
(c) increase, decrease
(d) increase, increase

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Answer

(d) increase, increase

Reason — Global warming means a increase in average effective temperature near the earth’s surface due to an increase in the amount of green house gases in its atmosphere.

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