Geography, asked by contactaditi24, 1 month ago

What is the percentage of oxygen in the atmosphere?
(a) 20.99%
(b) 21%
(c) 22%
(d) 23%

Answers

Answered by AbhijithBP2008

1

Answer:

The answer is b)21%

Explanation:

Answered by s14677bchania18629

1

Answer:

The percentage of oxygen in the atmosphere is 21%

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