49sec snip

The Infinite Monkey Cage cover image

Supervolcanoes

The Infinite Monkey Cage

NOTE

The Composition and Layers of the Earth: Explained

The Earth's crust is a thin layer where all the action happens. The mantle lies beneath it, and you would have to dig kilometers down to reach it. Discovering the Earth's layers was a result of various techniques, like geophysical imaging and studying how sound waves travel.

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