Environmental Science
Across
- 1. A layer of crushed sand and stone that naturally accumulates on or near the Earth’s surface.
- 3. Resources that can be used forever.
- 8. Water not in the sea.
- 12. A natural resource that cannot be readily replaced by natural means at a pace quick enough to keep up with consumption.
- 14. A condition that typical affects office workers makeing it diffcult to breath
- 15. A substance that pollutes something.
Down
- 2. A harmful substance in the air.
- 4. Rocks deposited far from their origins.
- 5. Removing salt from water.
- 6. the commercially valueless material in which ore is found.
- 7. Productive land becomes desert.
- 9. The extraction level of the resource which does not exceed the growth.
- 10. Base of unweathered parent. material.
- 11. A natural resource that can be mined as long as it is profitable.
- 13. Resources that the Earth provides.