Sunday, September 14, 2025

Answers to Friday 4, Sept. 12

 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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