brjnhiljyehhuuij brjnhiljyehhuuij

21-09-2022
Physics

contestada

What two gases together make up about 99% of Earth's atmosphere? a. Carbon dioxide and nitrogen

A: Nitrogen and oxygen
B: Nitrogen and helium
C: Argon and oxygen
D: Trace gases and nitrogen

Respuesta :

milagrosee120 milagrosee120

21-09-2022

A: Nitrogen and Oxygen

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