Arrange the following gases present in the atmosphere in the decreasin – McqOptions

MCQOPTIONS

1.	Arrange the following gases present in the atmosphere in the decreasing order of volume:A. HeliumB. OxygenC. NitrogenD. ArgonSelect the correct answer from the options given below:
A.	C, B, A, D
B.	B, C, D, A
C.	C, B, D, A
D.	B, C, A, D
Answer» D. B, C, A, D

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