Across
- 3. Fuels from decomposed organisms
- 4. E.G. Eggshell, Callcium Salts
- 7. Regenerates itself
- 8. E.G. When a resource runs out of itself
- 10. Preservation of the natural environment
Down
- 1. Cannot Regenerate itself
- 2. The cycle of processes by which _________ between the earth's oceans
- 5. E.G. Water
- 6. Water held underground in the soil or in pores and crevices in rock.
- 9. The cultivation of aquatic animals or plants for food.
