CUIZ-FACT-1FCF902B
easy
General Knowledge
✓ Fact-Verified
What is the primary gas that makes up the Earth's atmosphere?
Verified Answer
Oxygen
Quiz Options
- Oxygen
- Carbon Dioxide
- Nitrogen
- Hydrogen
Explanation & Context
Nitrogen makes up approximately 78% of the Earth's atmosphere, making it the most abundant gas.
Also Asked As / Semantic Queries
"Which is the primary gas that makes up the Earth's atmosphere?"
Authoritative Sources & Citations
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