Seudónimo Seudónimo

10-12-2020
Social Studies

contestada

Which gas forms 21% of Earth's atmosphere?
A.
argon
B.
carbon dioxide
C.
nitrogen
D.
oxygen

Respuesta :

kdawgdagoat kdawgdagoat

10-12-2020

Oxygen is the correct answer

Answer Link

georgegmmuffin georgegmmuffin

10-12-2020

Answer:

D.) Oxygen

Explanation:

78% Nitrogen 21%Oxygen 1%Inactive gases

Answer Link

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