Across
- 3. Occupies the earth’s center below the mantle
- 4. Solid, relatively low density rock
- 6. Have an unlimited supply or are easily replenished
- 7. The study of earth
- 9. The belief that earth-forming processes are natural,have always been the same,and have always happened at the same gradual rate
- 11. Boundary between the crust and the mantle
- 12. Cannot be replenished,or are hard to replace
Down
- 1. The effort to oversee and control the use of natural resources is called resource management
- 2. Idea of an ancient earth
- 5. Any raw resource that we use from our environment
- 8. The upper mantle is about 40 mi thick between the ocean basin crust and 80-160 mi thick under the continents
- 10. Takes up 84% of the earth’s volume