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Which two gases in the atmosphere are essential to life on Earth? * Nitrogen and Helium Oxygen and Carbon Dioxide Neon and Argon Hydrogen and Helium

Which two gases in the atmosphere are essential to life on Earth? * Nitrogen and Helium Oxygen and Carbon Dioxide Neon and Argon Hydrogen and Helium
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Which two gases in the atmosphere are essential to life on Earth? *

Nitrogen and Helium
Oxygen and Carbon Dioxide
Neon and Argon
Hydrogen and Helium

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User Kaleidoscope
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1 Answer

6 votes

Answer:

Step-by-step explanation:

Oxygen and carbon dioxide

answered
User Heartcroft
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