Across
- 3. a dump
- 5. farming
- 7. Environmental Protection Agency
- 9. nonrenewable energy resource from the remains of dead organisms
- 13. using natural resources wisely
- 16. low number of species that may no longer exist
Down
- 1. used to prevent or kill pests
- 2. waste that contaminates water, air, or soil
- 4. organism's home
- 6. resource that can be replaced or renewed
- 8. decaying organic matter used to fertilize soil
- 10. how we leave an impact on the environment
- 11. environment where organisms interact
- 12. making old things new again
- 14. resource that is limited and cannot be replaced
- 15. bad pesticide used to kill mosquitos