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Unformatted text preview: 6. 4 spheres of Earth: a. Atmosphere: The atmosphere is the gaseous envelope that surrounds the earth. It protects Earth from harmful solar radiation among other things. b. Geosphere: The geosphere is the solid portion of the earth, such as rock and minerals. c. Hydrosphere: The hydrosphere is the water portion of Earth, such as oceans. d. Biosphere: The biosphere contains living organisms such as plants and animals. 7. Open systems differ from closed systems in that closed systems allow energy to move freely in and out, but matter cannot enter nor leave the system. An open system allows both matter and energy to flow into and out of the system....
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- Spring '08
- Atmosphere, Precipitation, Weather Climate Climate