Social Sciences, asked by rehnumasiddqui2, 4 months ago

.
Atmosphere consists of
percent oxygen.
(b) 22
(a) 21

Answers

Answered by Anonymous

1

Answer:

21% oxygen

Explanation:

HOPE IT HELPS YOU

Answered by Btsarmy93

2

Explanation:

a ) 21 is your answer ....

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