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Transcript

Earth's 6 Spheres

Geosphere

The geosphere is the earth itself: the rocks, minerals, and landforms of the surface and interior. Below the crust - which varies in depth from about 5 km beneath the ocean floor to up to 70 km below the land surface, temperatures are high enough for deformation and a paste-like flow of elements.

Atmosphere

An atmosphere is the layers of gases surrounding a planet or other celestial body. Earth's atmosphere is composed of about 78% nitrogen, 21% oxygen, and one percent other gases

Hydrosphere

A hydrosphere is the total amount of water on a planet. The hydrosphere includes water that is on the surface of the planet, underground, and in the air. A planet's hydrosphere can be liquid, vapor, or ice. On Earth, liquid water exists on the surface in the form of oceans, lakes and rivers.

Cryosphere

The part of the earth's surface characterized by the presence of frozen water The cryosphere consists of mountain glaciers and continental ice sheets, seasonal snow and ice cover on land, and sea ice.—

Biosphere

The biosphere is a global ecosystem composed of living organisms (biota) and the abiotic (nonliving) factors from which they derive energy and nutrients. ... Energy flow is required to maintain the structure of organisms by the formation and splitting of phosphate bonds.

Anthrosphere

The anthrosphere / anthroposphere (sometimes also referred as technosphere) is that part of the environment that is made or modified by humans for use in human activities and human habitats.

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