Environment & Ecology · Environmental Studies
What are the primary major components of Earth's atmosphere by volume?
- 1Nitrogen, oxygen, argon, and carbon dioxide✓
- 2Hydrogen, helium, methane, and neon
- 3Carbon dioxide, nitrous oxide, and sulfur hexafluoride
- 4Ozone, chlorofluorocarbons, and water vapor
Correct answer
Nitrogen, oxygen, argon, and carbon dioxide
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