Inside The Earth and Restless Continents

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Process that takes place at mid-ocean ridges

The deep interior of the Earth can be mapped using

The layer of rock that comprises 67% of Earth’s mass

Items that provide evidence that the continents were once closer together

The layer made of solid rock that slowly flows

Wegener thought that all the continents were once together in one large continent called

Tectonic plates consist of

The rigid layer made up of crust and upper mantle