mesheat5e7nReiderlon mesheat5e7nReiderlon

16-02-2016
Physics

contestada

Almost 79% of the earth’s atmosphere is composed of ____________.
a. nitrogen
b. oxygen
c. helium
d. carbon dioxide

Respuesta :

dahamivherath dahamivherath

16-02-2016

almost 79% of the earth's atmosphere is composed of A.nitrogen
21% is oxygen in the atmosphere
0.9% is argon in the atmosphere
rest are other gases..

so the answer is A.nitrogen
hope this helps.......

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