Consider the following constituent gases of the atmosphere :_x005F_x000D_ 1. Argon_x005F_x000D_ 2. Neon_x005F_x000D_ 3. Helium_x005F_x000D_ 4.Ceirbon dioxide_x005F_x000D_ Which one of the following is the correct ascending sequence of the above gases in terms of the volume percentage?

Consider the following constituent gases of the atmosphere :_x005F_x00

1.	Consider the following constituent gases of the atmosphere :_x005F_x000D_ 1. Argon_x005F_x000D_ 2. Neon_x005F_x000D_ 3. Helium_x005F_x000D_ 4.Ceirbon dioxide_x005F_x000D_ Which one of the following is the correct ascending sequence of the above gases in terms of the volume percentage?
A.	1-3-2-4
B.	1-4-2-3
C.	4-2-3-1
D.	2-4-1-3
Answer» C. 4-2-3-1