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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. |