Across
- 4. is the process of turning used materials into new products
- 8. refers to the variety of plant and animal life in a particular habitat.
- 9. is a community of living organisms and their physical environment.
- 10. is the decay of organic matter into nutrient-rich soil.
Down
- 1. is the ability to do work and is often produced from natural resources.
- 2. occurs when harmful substances contaminate the air, water, or soil.
- 3. means using less of something to minimize waste.
- 5. involves finding new ways to use items instead of throwing them away.
- 6. energy comes from sources that are naturally replenished.
- 7. involves using resources wisely to ensure they last a long time
