allisonzawodny4523 allisonzawodny4523

15-01-2024
Chemistry

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What is the composition of the Earth's atmosphere in terms of percent oxygen and nitrogen?
a) 21% O₂, 78% N₂
b) 78% O₂, 21% N₂
c) 50% O₂, 50% N₂
d) 30% O₂, 70% N₂

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