Social Sciences, asked by krishilthakkar93, 5 months ago

What is the proportion of oxygen in the atmosphere?

[A] 21% [B] 71% [C] 78% [D] 25%

Answers

Answered by sukhmander130678

6

Answer:

21%,hope it helps,please thank my all answers and follow me ,mark me as brainlest

Answered by RushikeshS9763

5

Answer:

Oxygen is present in the air with the proportion of 21%.

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