English, asked by 9878773574m, 7 months ago

The Percentage of oxygen by
Volume in air is equal to
A 32 %
B 23%
C 21 %
D 12%

Answers

Answered by educatorvs

2

Answer:

21 %

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Explanation:

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Answered by ritikstar5

0

Answer:

23%

Explanation:

23% is the answer for this question.

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