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What gas makes up 21% of Earth's atmosphere?

lcard044

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2 years ago

What gas makes up 21% of Earth's atmosphere?

What gas makes up 21% of Earth's atmosphere?

▸ Carbon

▸ Nitrogen

▸ Carbon dioxide

▸ Oxygen

Textbook

Safety, Health, and Environment

Safety, Health, and Environment

Edition: 2^nd

Author: NAPTA

Read 58 times

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greiner76

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lcard044 Author

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2 years ago

Thanks

sakoon

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Thank you, thank you, thank you!

vernonb

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Thanks for your help!!

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