Social Sciences, asked by azzu4613, 8 months ago

1 point
8. What is the proportion of
oxygen in the atmosphere? *
71%
Ο Ο Ο
21%
78%
O
25%

Answers

Answered by kshiti26

2

Answer:

21 %

Pls mark as brainliest

Answered by abhi22215

0

Explanation:

21% is the right answer

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