Question

94. Cloudy nights are warmer compared to clear cloudless nights, because clouds

• A. (a) prevent cold waves from the sky from descending on earth
• B. (b) reflect back the heat given off by earth
• C. (c) produce heat and radiate it towards earth
• D. (d) absorb heat from the atmosphere and send it towards earth

Answer 1

The correct option is B

(b) reflect back the heat given off by earth

(B)
Only statement 3 is correct

Cloudy nights are warmer than clear nights

because, the cloud cover provides a shield which act

as an insulator and store up the heat radiated by the

earth and do not permit heat to escape