The Earth System
Review Questions

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1. Compare and contrast open, closed and isolated systems.

2. Why is the Earth considered a closed system?

3. Give an example of an open system.

4. What are the biosphere, hydrosphere, lithosphere, and atmosphere?

5. Give examples of how the biosphere, hydrosphere, lithosphere, and atmosphere are linked together to form the Earth system.

6. Compare and contrast exogenous and endogenous sources of energy. Give an example of a surface feature created by each source of energy.