Human Reproduction Question 391

Question: The major factor in causing global warming is

Options:

A) Increase in oxygen concentration in atmosphere

B) Decrease in carbon dioxide concentration in atmosphere

C) Increase in carbon dioxide concentration in atmosphere

D) Decrease in atmospheric nitrogen

Show Answer

Answer:

Correct Answer: C

Solution:

$ CO_2 $ concentration is increasing day by day in the atmosphere.

$ CO_2 $ has capacity of absorbing heat radiation and thus increases global temperature (global warming).