The progressive warming up of the earth’s surface is mainly due to the___________________?

Chemical Engineering Mcqs

The progressive warming up of the earth’s surface is mainly due to the___________________?

(A)  Automobile exhaust

(B)  Blanketing effect of CO2 in the atmosphere

(C)  De-forestation

(D)  Thickening of ozone layer

Submitted By :Ali Uppal

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