Environmental Science

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