Physical Systems Vocabulary

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Across
  1. 1. the rigid outer part of the earth, consisting of the crust and upper mantle.
  2. 3. the natural forces that change Earth's physical features, including forces that build up and wear down Earth's surface.
  3. 5. The whole mass of air that surrounds the earth.
  4. 8. means the state of the environment
  5. 9. The geological process in which earthen materials are worn away and transported by natural forces such as wind or water.
Down
  1. 2. is one of the 6 essential elements of geography.
  2. 4. A theory that states the surface of the earth is made up of huge plates that move relative to each other.
  3. 6. all the waters on the earth's surface
  4. 7. The surroundings or conditions in which a person, animal, or plant lives or operates.