Reason behind difference between day & night temperatures in desert - Heat Transfer

Q.  In desert areas, there is large difference between day and night temperatures mainly because of
- Published on 12 Aug 15

a. presence of carbon dioxide in air as it acts as barrier for emanating infrared radiation from the earth surface
b. presence of water vapour in air as it acts as barrier for emanating infrared radiation from the earth surface
c. absence of carbon dioxide in air as it acts as barrier for emanating infrared radiation from the earth surface
d. absence of water vapour in air as it acts as barrier for emanating infrared radiation from the earth surface

ANSWER: absence of water vapour in air as it acts as barrier for emanating infrared radiation from the earth surface

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