Environment and Resources
Across
- 4. Variety of living things in a region or ecosystem
- 6. resource that cannot be replaced
- 9. the process of replanting an area with trees
Down
- 1. An effect on someone or something not involved in an activity
- 2. nonrenewable resource formed over millions of years before plants and animals
- 3. the loss of forest cover in a region
- 5. resource that earth people can replace
- 7. useful material found in nature
- 8. waste that makes air, soil, or water less clean