Across
- 1. materials or substances occurring in nature and can be useful or necessary to humans
- 3. something that is sent out (emitted)
- 6. nonrenewable resources created naturally from ancient life forms that have decomposed over a long period of time and are used as a source of energy
- 7. resources that take a long time to be replaced or that cannot be replaced at all
- 8. the ability of the soil to support new plant life
- 10. catastrophes caused by natural processes or forces of the Earth (floods, earthquakes, droughts)
- 11. resources replenished or reused naturally
Down
- 2. resources used again and again
- 4. catastrophes resulting from human error or carelessness (oil spills, pollution)
- 5. everything that is around us, including abiotic and biotic factors
- 9. preservation and protection of resources for future use