Natural Resources

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Across
  1. 4. Resources the earth provides
  2. 5. removing of salt from groundwater found in aquifers
  3. 8. Base of unweathered parent material
  4. 9. Rocks deposited far from their origins
  5. 10. indoor air pollution linked to illness
  6. 12. Material left behind while mining ore
  7. 13. Resources within the earth that might be able to be used indefinitely
  8. 14. A natural resource that can be mined
  9. 15. pollution pollutants in the air that become harmful to humans and the environment
Down
  1. 1. When productive land becomes desert
  2. 2. The replacement of renewable resources at the same rate their being used
  3. 3. A resource that exists in fixed amounts
  4. 6. Substances that can adversely affect the survival rate of organisms
  5. 7. held on the surface of earth in either lakes, rivers, streams,or ground water
  6. 11. layer of naturally crushed sand and stone the naturally accumulates on or near earths surface