Organisms And Population Question 124

Question: If there was no $ CO_2 $ in the earth’s atmosphere, the temperature of earth’s surface would be [CBSE PMT 1998]

Options:

A) As such

B) Less than the present level

C) Increase from present level

D) Dependent upon oxygen amount of the environment

Show Answer

Answer:

Correct Answer: B

Solution:

$ CO_2 $ Layer around earth surface acts as insulator and does not allow heat of the earth to escape into space thus keeping the earth warm.