Q57
The average concentration of CO2 in the atmosphere is:
A.
380 ppm
B.
500 ppm
C.
305 ppm
D.
421 ppm
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
The concentration of carbon dioxide in the earth's atmosphere is currently 421 parts per million (ppm) in the May 2022. And because of the extreme rise in temperature because of global warming and pollution, the concentration of CO2 keeps on rising.