noun(usually the 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.
- Oxygen also occurs in the hydrosphere in the form of water, of which it makes up nearly 89% by weight, and in the Earth's crust.
- Carbon returns to the hydrosphere when carbon dioxide dissolves in the oceans, as well as in lakes and other bodies of water.
- It starts with the lithosphere (earth's crust and soil), goes on to atmosphere and hydrosphere (air and water), and ends up with the biosphere (living things).
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