Mr. Bluml Science vocabulary Rhyan

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Across
  1. 3. once used it's gone
  2. 6. hard rock another form of lignite
  3. 7. used for heating and cooking
  4. 8. taking back a resource and using it to make a new product
  5. 10. natural resource that can be used more than once
Down
  1. 1. soft brown rock that covers peat
  2. 2. remains of once living organisms
  3. 4. can be used more than once
  4. 5. materials people take from earth
  5. 9. soft brown material made from dead plants
  6. 11. black rock almost pure carbon