What percentage of Oxygen does the atmospheric air contain?

(A) 25%

(B) 35%

(C) 21%

(D) 10%

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What percentage of Oxygen does the atmospheric air contain? (A) 25% (B) 35% (C) 21% ..

Answer / guest

( C ) 21%

Is This Answer Correct ?    37 Yes 5 No

What percentage of Oxygen does the atmospheric air contain? (A) 25% (B) 35% (C) 21% ..

Answer / suchi

21%

Is This Answer Correct ?    15 Yes 5 No

What percentage of Oxygen does the atmospheric air contain? (A) 25% (B) 35% (C) 21% ..

Answer / mike

21

Is This Answer Correct ?    5 Yes 0 No

What percentage of Oxygen does the atmospheric air contain? (A) 25% (B) 35% (C) 21% ..

Answer / shafi ehsan

21 (c)

Is This Answer Correct ?    3 Yes 1 No

What percentage of Oxygen does the atmospheric air contain? (A) 25% (B) 35% (C) 21% ..

Answer / muskan

21

Is This Answer Correct ?    0 Yes 0 No

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