Answer:
1. Atmosphere- The envelope of gases surrounding the earth or another planet.
2. Geosphere- Any of the almost spherical concentric regions of matter that make up the earth and its atmosphere, as the lithosphere and hydrosphere.
3. Hydrosphere- all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.
4. Biosphere- the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.
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