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The gas most required for animal life to survive on Earth is nitrogen carbon dioxide oxygen water vapor

The gas most required for animal life to survive on Earth is nitrogen carbon dioxide oxygen water vapor
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5 votes
The gas most required for animal life to survive on Earth is

nitrogen

carbon dioxide

oxygen

water vapor

User Petrux
by
8.1k points

1 Answer

5 votes
The answer is oxygen 100% 
User Smcjones
by
8.5k points
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