Addy008 Addy008

09-03-2021
Geography

contestada

What gas forms 21% of earth's atmosphere

A. Argon

B. Carbon dioxide

C. Nitrogen

D. oxygen

Respuesta :

julie6rock99 julie6rock99

09-03-2021

c. nitrogen takes up 21%

Answer Link

cale210078 cale210078

09-03-2021

I believe it’s D. Oxygen.

Answer Link

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