Geography · Geography
Why is free hydrogen not found in the Earth's atmosphere?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It is highly reactive.
- 2It is a heavy gas.
- 3It is absorbed by plants.
- 4It is the lightest gas and escapes into space.✓
Correct answer
It is the lightest gas and escapes into space.
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