5 Questions
What percentage of Earth's crust is covered by its global ocean?
70.8%
What generates Earth's magnetosphere?
liquid outer core
What is the primary composition of Earth's atmosphere?
primarily nitrogen and oxygen
What type of atmosphere sustains Earth's surface conditions and protects it from most meteoroids and UV-light at entry?
dynamic atmosphere
What are the tectonic plates in Earth's crust responsible for producing?
mountain ranges, volcanoes, and earthquakes
Test your knowledge about Earth, the water world of the Solar System, and its unique characteristics that enable life to thrive on its surface.
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