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The relatively thin layer of gases that form Earth's outermost layer. |
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The parts of Earth that contain living organisms. |
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The densest parts of Earth that include the crust, mantle, and core. |
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The portion of Earth that consists of water in any of its forms, including oceans, glaciers, rivers, groundwater and water vapor. |
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The portion of the hydrosphere that is frozen, including all the ice and snow on land, plus sea and lake ice. |
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The ability to do work or cause change. |
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is a group of interacting parts that function as a whole. |
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refers to how one part of the system affects another, and then how that change circles back to influence the original part. |
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