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