The most abundant element in the earth's atmosphere is

Options

A. Argon
B. Nitrogen
C. Oxygen
D. Krypton

Answer

B

Explanation

The most abundant gas in the Earth.s atmosphere is n itrogen.Nitrogen makes up 78 percent of the Earth.s atmosphere ,and it is a permanent gas,which mrans that its percentage does not change on a daily basis.The rest of the atmosphere is made up of 21 percent oxygen,0.9 percent argon and 0.1 percent trace gases.