Seudónimo Seudónimo

14-02-2017
Social Studies

contestada

Which gas is most abundant in earth’s atmosphere?
A. oxygen
B. nitrogen
C. carbon dioxide
D. methane

Respuesta :

briannharris briannharris

14-02-2017

The correct answer would be A if not C. Because scientific studys prove that carbon dioxide and oxygen are both in the air

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joshharris2002 joshharris2002

14-02-2017

The most is nitrogen, which accounts for 78% of the mass of dry air.

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