The atmospheric green house effect is produced mainly by the absorption and re -emission of

Options

A. visible light by the atmosphere
B. infrared radiations by the atmosphere
C. ultra - violet rays by the ground
D. ultra -violet radiations by the atmosphere

Answer

B

Explanation

As Earth .s surface is heated by sunlight , it radiates part of this energy back toward space as infrared radiations . This radiations , tends to be absorbed by the atmosphere , raising its temperature .The heated atmosphere in turn re-emit infrared radiation back toward Earth .s surface , leading to Green house effect .