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7.1: Importance of the Atmosphere

Difficulty Level: Basic Created by: CK-12
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Vocabulary

atmosphere

atmosphere

Layer of gases that surrounds a planet.
photosynthesis

photosynthesis

Process in which plants produce simple sugars (food energy) from carbon dioxide, water, and energy from sunlight; photosynthesis uses carbon dioxide and releases oxygen.
sound

sound

Energy that travels through a medium that we can hear.

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Description

Difficulty Level:

Basic

Grades:

6 , 7

Date Created:

Jan 04, 2013

Last Modified:

Jan 30, 2016
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