Q42
Which of the following gases has role an important in maintaining atmospheric temperature?
A.
Nitrogen
B.
Oxygen
C.
Argon
D.
Carbon dioxide
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Carbon dioxide is an important greenhouse gas that helps to trap heat in our atmosphere. Without it, our planet would be inhospitably cold. However, a gradual increase in CO 2 concentrations in Earth's atmosphere is helping to drive global warming, threatening to disrupt our planet's climate as average global temperatures gradually rise.