hydrosphere -
the watery layer of the earth's surface; includes water vapor
layer thin structure composed of a single thickness of cells
globe,
earth,
world a sphere on which a map (especially of the earth) is represented
body of water,
water the part of the earth's surface covered with water (such as a river or lake or ocean); "they invaded our territorial waters"; "they were sitting by the water's edge"
briny,
main a principal pipe in a system that distributes water or gas or electricity or that collects sewage
ocean a large body of water constituting a principal part of the hydrosphere
A hydrosphere (from Greek ὕδωρ - hydor, "water" and σφαῖρα - sphaira, "sphere") in physical geography describes the combined mass of water found on, under, and over the surface of a planet. The total mass of the Earth's hydrosphere is about 1.4 × 10 tonnes, which is about 0.023% of the Earth's total mass. About 20 × 10 tonnes of this is in the Earth's atmosphere (the volume of one tonne of water is approximately 1 cubic metre).
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hydrosphere All the waters of the Earth, as distinguished from the rocks, living things , and the air.