alvaradootero73
alvaradootero73 alvaradootero73
  • 25-09-2017
  • Geography
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Which of the following are the two primary gasses found in the Earth's atmosphere? nitrogen and oxygen nitrogen and carbon hydrogen and carbon carbon and helium

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Catya
Catya Catya
  • 25-09-2017
The Earth's atmosphere is mostly Nitrogen ~ 78% and Oxygen ~21% gas.
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