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| The water portion of Earth; one of the traditional subvisions of Earth's physical enviroment. |
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Definition
| All life on Earth; the parts of the solid Earth, hydrosphere, and astmosphere in which living organisms can be found. |
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Definition
| The gaseous portion of the planet; one of the traditionalsubdivisions of Earth's physical enviroment. |
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Definition
| Layer of Earthunder both the atmosphereand the oceans; It is composed of the core, mantle, and the crust. |
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Definition
The thin, rocky outer layer of Earth. |
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Definition
| The 2890-Kilometer-thick layer of Earth located below the crust. |
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Definition
| The innermost layer of Earth, located beneath the mantle; The core is divided into an outer core and inner core. |
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