Human Reproduction Question 221

Question: Green house effect is due to the presence of [CBSE PMT 1989, 91; CPMT 1998, 99; AIIMS 2000]

Options:

A) Ozone layer in the atmosphere

B) Infrared light reaching the earth

C) Moisture layer in the atmosphere

D) layer in the atmosphere

Show Answer

Answer:

Correct Answer: D

Solution:

About 50% of increase in earth’s temperature is due to; 20% due to chlorofluorocarbons.

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