Earth Science Index Cards 1.2
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Geosphere
the mostly solid, rocky part of Earth; extends from the center of the core to the surface of the crust; one of the four major spheres of the Earth system
Atmosphere
a mixture of gases and particles that surrounds a planet, moon, or other celestial body; one of the four major spheres of the Earth system
hydrosphere
he part of Earth that is water; one of the four major spheres of the Earth system
Biosphere
the part of Earth where life exists; includes all of the living organisms on Earth; one of the four major spheres of the Earth system
Ozone
a gas molecule that is made up of three oxygen atoms
Cryosphere
The part of the Hydrosphere that is frozen water.
Anthrosphere
The part of Earth that has been constructed or modified by humans. (us)
Biodiversity
The variety of organisms in a given area.
Topography
The size and shape of the land surface features of a region.