1. What is a system?
-A system is a collection of interdependent parts enclosed within a defined boundary.
2. List the 5 main spheres/subsystems.
Hydrosphere, Biosphere, Cryosphere, Atmosphere, Lithosphere
3. Provide an example for two spheres:
Atmosphere = the air we breath
Biosphere = animals and humans
Cryosphere = glaciers (ice)
Lithosphere = rocks and minerals on the E's surface
Hydrosphere = rivers and lakes
4. Why do. we have 5 themes and how can they help us?
The Five Themes (Location, Place, Human-Environment Interactions, Movement, and Regions) are a framework for making sense of geographic data. It helps you to understand the holistic nature of geography (as a theme cannot be seen in isolation from the others).
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