Terms/Questions per Day

Terms

243 new/unreviewed 243 total

Term

Earth System

Definition

The interacting parts of Earth, including the geosphere, hydrosphere, atmosphere, and biosphere.

New/Unreviewed

Term

Geosphere

Definition

The solid Earth, including the crust, mantle, and core.

New/Unreviewed

Term

Crust

Definition

The thin, outermost compositional layer of Earth.

New/Unreviewed
Practice Test Scores

Practice Tests

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