amiannagaddis amiannagaddis

21-05-2019
Biology

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Can you please help.....?????!!!!!!!!

Can you please help class=

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melanie3428 melanie3428

21-05-2019

i think nitrogen and oxygen

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Аноним Аноним

21-05-2019

Answer:

C- nitrogen and oxygen

*Edit*

Explanation:

dry air is composed of about 78% nitrogen and about 21% oxygen

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