5 Questions
What percentage of Earth's crust is covered by the global ocean?
70.8%
What primarily generates Earth's magnetosphere?
Liquid outer core
Which gases primarily make up Earth's atmosphere?
Nitrogen and oxygen
What role do tectonic plates play in shaping Earth's surface?
Produce mountain ranges, volcanoes, and earthquakes
What enables Earth to sustain liquid surface water and water vapor?
Greenhouse gases capturing energy from the Sun's light
Test your knowledge about Earth's water and land distribution, and its significance in supporting life. Learn about the unique characteristics of Earth as an astronomical object and its water world status.
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