Earth's Spheres

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abundant

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available in large quantities

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atmosphere

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a gaseous layer that surrounds the Earth; consists of a mixture of gases composed primarily of nitrogen, oxygen, carbon dioxide, and water vapor (atmo = air)

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biosphere

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the part of the earth and its atmosphere in which living organisms exist, or that is capable of supporting life (bio = life)

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common

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widespread; general; ordinary

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hydrosphere

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all the earth's water found in streams, lakes, the soil, groundwater, and in the air (hydro = water)

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geosphere

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all of the hard solid land of the planet’s crust (surface), and the semi-solid land underneath the crust (geo = ground)

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interaction

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working together or connection between two separate parts.