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M: +2.00/-0.50

Which of the following are the primary causes of climate change?

1. Excessive burning of fossil fuels.

2. Exploding numbers of automobiles driven by oil

3. Increasing solar flares

4. Heavy deforestation

Select the correct answer using codes given below:

Codes :

U.P.P.C.S. (Pre) 2017

[GHGs, Climate Law & Ozone Layer, EPA, Kyoto, Montreal Etc]
A
B
C
D

EXPLANATION

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