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Earth's Spheres
Term | Definition |
---|---|
Earth Science | The system consists land, oceans, atmosphere and poles. |
Atmosphere | A mixture of gases that surrounds a planet, moon, or other celestial body. |
Geospheres | The mostly solid, rocky part of earth; extends from the center of the care to the center of the crust |
Hydrosphere | The portion of the earth that is water. |
Cryosphere | One of earth's spheres where water is in solid form, including snow cover, floating ice, glaciers, ice caps,ice sheets, frozen ground permafrost. |
Biosphere | The part of the earth where life exists; includes all of the living organisms on earth. |
Lithosphere | The solid, outer layer of earth that consists of the crust and the rigid upper part of the mantle. |