Geospheres

concentric layers (envelopes) formed by the earth’s matter. Proceeding inward from the periphery to the center of the earth are the atmosphere, hydrosphere, crust, silicate hard mantle (upper and lower), and core with metallic properties (divided into a liquid outer core and an apparently solid central core, or subcore.

The region inhabited by organisms—including the lower part of the atmosphere, the entire hydrosphere, and the upper part of the earth’s crust—is called the biosphere.

单词	geospheres
释义	DictionarySeegeosphere Geospheres Geospheres concentric layers (envelopes) formed by the earth’s matter. Proceeding inward from the periphery to the center of the earth are the atmosphere, hydrosphere, crust, silicate hard mantle (upper and lower), and core with metallic properties (divided into a liquid outer core and an apparently solid central core, or subcore. The region inhabited by organisms—including the lower part of the atmosphere, the entire hydrosphere, and the upper part of the earth’s crust—is called the biosphere.
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