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2.12: Earth's Outer Layers

Difficulty Level: Basic Created by: CK-12
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Vocabulary

atmosphere

Mixture of gases that surrounds a planet such as Earth.

biosphere

All living organisms on Earth.

hydrosphere

All the water on Earth.

lithosphere

Solid, brittle rock; Earth's outermost rocky layer

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Description
Difficulty Level:
Basic
Grades:
6 , 7
Date Created:
Jan 04, 2013
Last Modified:
Aug 31, 2016
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SCI.ESC.314.5.L.1