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Earth's Systems L. 1
Topic 3 L. 1 terms and definitions
Term | Definition |
---|---|
Atmosphere | The relatively thin layer of gasses that forms Earth's outermost layer. |
Geosphere | The densest parts of Earth, including crust, mantle, and core. |
Hydrosphere | The portion of Earth that consist of water in any forms, including oceans, glaciers, rivers, lakes, groundwater, and water vapor. |
Cryosphere | The portion of all the hydrosphere that's frozen, including all ice and snow on land, plus sea and lake ice. |
Biosphere | The part's that contain living organisms. |
Energy | The ability to do work or cause change. |
System | A group of parts that work together as a whole. |
Feedback | A loop in which a signal or action triggers another signal or action. |