Natural Resources
Across
- 3. a resource that can't be replaced
- 4. to use smaller amounts
- 6. something from the Earth
- 8. protection the environment and resources
- 9. to use again
Down
- 1. a resource that can be replaced
- 2. substance that's harmful to the environment
- 5. formed in the past from the remains of animals
- 7. to use again in the same form
- 10. the natural world where humans live