Across
- 2. reuse and recycle are good conservation practices.
- 4. is the careful or wise use of resources.
- 6. can be broken down in the environment naturally.
- 9. resources that can "run" out.
- 11. "variety of life"
- 12. waste is harmful to humans and the environment.
Down
- 1. Saving your aluminum cans and turning them in is an example of ________.
- 3. is the presence of harmful pollutants in the environment.
- 5. occurs when the number of individuals becomes so large the population doesn't have enough resources.
- 7. resources that can be used again and again.
- 8. harmful substances in the environment.
- 10. Using fabric shopping bags every time you go to the grocery store is an example of _______.