
Earth & Geology
Why Do Volcanoes Erupt?
Volcanoes erupt because molten rock from inside Earth finds a path to the surface, driven by buoyancy, pressure, and expanding gases.
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Science
How Do Earthquakes Work?
Earthquakes happen when stress inside the Earth's crust suddenly releases. Here's how tectonic plates, fault lines and seismic waves cause the ground to shake.
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