Social Sciences, asked by chinarireddy2005, 2 months ago

The gas which has only 21% present in volume in the atmosphere is:
a)nitrogen
b)oxygen
c)carbondioxide
d)methane

Answers

Answered by shradhakumbhar

1

Answer:

b) oxygen

Explanation:

The air in the Earth`s atmosphere is made up of 78 percent of nitrogen and 21 % of oxygen

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