Across
- 3. materials that can be broken down by bacteria or other organisms
- 7. the natural environment where an organism lives
- 8. the contamination of air,water,or soil with harmful substances
- 9. energy sources that can be replenished
- 10. a community of living organisms and their environment
Down
- 1. meeting the needs of the present without compromising the ability of the future generations to meet their own needs
- 2. decayed organic material used as a fertilizer for plants
- 4. reusing materials instead of throwing them away
- 5. using less of something to minimize waste
- 6. the protection and preservation of natural resources