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).