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Atmosphere
Earth's atmosphere is a thin layer of gases that surrounds the Earth. It is composed of 78% nitrogen, 21% oxygen, 0.9% argon, 0.03% carbon dioxide and trace amounts of other gases.
Flashcard info:
Author: CoboCards-User
Main topic: Science
Topic: Solar System
School / Univ.: University at Albany
City: Albany, NY
Published: 25.04.2013