NTA-NET (UGC-NET) Environmental Science (89): Questions 1 of 1711

Appeared in Year: 2016

Question MCQ▾

In addition to their role in ozone depletion, CFCs play a role in global warming by: (July)

Choices

Choice (4)Response

a.

Reducing the albedo of the earth՚s surface

b.

Blocking UV-B radiation on earth

c.

Absorbing terrestrial radiation

d.

Absorbing solar radiation

Edit

Answer

c.

Explanation

CFCs play a key role in global warming by absorbing terrestrial radiation as they absorb the long wave radiations which escape the earth atmosphere through the atmospheric windows (7 to 13 µm) and the global warming potential of CFCs are way higher than compared to CO2 itself.

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