OBJECTIVE LIFE SCIENCE
ECOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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nitrogen makes up ____ percent of the atmosphere
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90%
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66%
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78%
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None of the above
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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.