Science, asked by poonamanil98, 4 months ago

plz hєlp mє guчѕ ítѕ urgєnt

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Answers

Answered by THEGOODBOY90

1

Answer:

in first blank

nitrogen

and in second blank

oxygen

Answered by jitendra1226

1

Answer:

Unpolluted air contains 78% of Nitrogen and 21 % of oxygen

Explanation:

Thankyou for question

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