Question
Agriculture Question on Agrometeorology
Arrange the following gases in descending order in terms of percentage in dry air of the lower atmosphere.
(A) Carbon dioxide
(B) Argon
(C) Nitrogen
(D) Oxygen
Choose the correct answer from the options given below:
A
(D), (C), (A), (B)
B
(C), (A), (D), (B)
C
(C), (D), (A), (B)
D
(C), (D), (B), (A)
Answer
(C), (D), (B), (A)
Explanation
Solution
The composition of dry air is approximately: 78% Nitrogen (N₂), 21% Oxygen (O₂), 0.93% Argon (Ar), and 0.04% Carbon dioxide (CO₂).