Natural Resources

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Across
  1. 2. a top layer of soil
  2. 4. a generic term for non- renewable energy
  3. 6. everything that dirties the earth
  4. 7. things that are found naturally on earth
  5. 9. energy derived from natural resources
Down
  1. 1. sources that will run out
  2. 3. the ability to be maintained
  3. 5. energy from the sun
  4. 8. is to reuse something