blk9hanapanta5 blk9hanapanta5

05-08-2016
Biology

Answered

What gas contributes to 78% of earth's modern atmosphere?

Aargon
Bnitrogen
Coxygen
Dcarbon dioxide

Verified Answer :

Sora111 Sora111

05-08-2016

BNitrogen while oxygen contributes to 21% and 1% is the other gases

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