Science, asked by ramyadav1008, 5 months ago

Oxygen forms _____ of the atmosphere.
78%
21%
10%
90%
Other:​

Answers

Answered by preethakrishnan69
2

21% is the answer for your question

hope it will help you

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Answered by kaushiksanjay1979
0

Answer:

21% . Option B is correct

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