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Unformatted text preview: c. Albedo is defined as the reflectivity of a planet. Clouds are the greatest contributor to the albedo of the Earth. d. The most abundant gases in the Earths atmosphere are: i. Nitrogen, N 2 ii. Oxygen, O 2 iii. Argon, Ar iv. Water Vapor H 2 O v. Carbon dioxide, CO 2 e. Earths Atmosphere is composed of: i. Troposphere 1. Extends from the surface of the planet up to 10-15 km ii. Stratosphere 1. Located from about 10-15 km to 50km above surface iii. Mesosphere 1. Located from about 50 to 90km from the surface iv. Thermosphere 1. Located above 90 km from the surface...
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- Fall '08