Across
- 2. rock formed from extreme heat and pressure
- 7. using organisms to remove or detoxify pollutants
- 11. sudden movement in the earth's crust
- 12. molten rock beneath the earth's surface
- 14. the outermost layer of the earth
- 15. the capacity to do work
Down
- 1. recycling organic wastes into fertilizer
- 3. metal ore that lead is found in
- 4. naturally occurring, inorganic, solid object with a crystalline structure
- 5. the rate of energy flow
- 6. processing waste into a new and useful product
- 8. powerful waves triggered by an earthquake
- 9. the radioactive element used for nuclear reactions
- 10. the layer of the earth made up of magma
- 13. rock solidified from magma