Earthquakes are violent shaking from the planet's surface, according to AccuWeather. They're caused by movement from Earth's outermost layer, the crust. The crust is broken up into pieces called tectonic plates that are always on the move, though usually in ways we cannot feel.
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Answer:
A. Crust
Explanation:
Earthquakes are violent shaking from the planet's surface, according to AccuWeather. They're caused by movement from Earth's outermost layer, the crust. The crust is broken up into pieces called tectonic plates that are always on the move, though usually in ways we cannot feel.