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Questions and Answers
What percentage of Earth's crust is covered by the global ocean?
What percentage of Earth's crust is covered by the global ocean?
- 50.2%
- 70.8% (correct)
- 30.1%
- 90.5%
What primarily generates Earth's magnetosphere?
What primarily generates Earth's magnetosphere?
- Atmospheric water vapor
- Liquid outer core (correct)
- Tectonic plates
- Greenhouse gases
Which gases primarily make up Earth's atmosphere?
Which gases primarily make up Earth's atmosphere?
- Nitrogen and oxygen (correct)
- Oxygen and carbon dioxide
- Carbon dioxide and methane
- Helium and hydrogen
What role do tectonic plates play in shaping Earth's surface?
What role do tectonic plates play in shaping Earth's surface?
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What enables Earth to sustain liquid surface water and water vapor?
What enables Earth to sustain liquid surface water and water vapor?
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