OBJECTIVE FORESTRY

FORESTRY

ECOLOGY AND ENVIRONMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Nitrogen makes up ____ percent of the atmosphere.
A
66%
B
78%
C
90%
D
None of the above
Explanation: 

Detailed explanation-1: -Atmosphere is a layer of gasses that surrounds the earth. It is made up of 78% nitrogen, 21% oxygen, 0.9% argon, and 0.03% carbon dioxide and a very small percentage of with water vapor.

Detailed explanation-2: -Nitrogen is an inert gas which makes up 78% of atmosphere.

There is 1 question to complete.