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Definitions from the Web

Earths Crust

Noun:

1. The outermost layer of the Earth's surface, composed mainly of rocks.
2. The solid, rigid, and thin layer of the Earth.

Sample Sentences:

• The Earth's crust is made up of various types of rocks, such as granite and basalt.
• The movement of tectonic plates causes earthquakes on the Earth's crust.

Related Products on Amazon:

• Geology Books
• Earth Science Toys