Fossil Fuels Crossword

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Across
  1. 4. the way we obtain oil and natural gases
  2. 6. accumulation of partially decayed vegetation
  3. 9. not easily replaceable
  4. 11. gas flammable gas composed of hydrocarbons that is used for energy
  5. 12. energy resources that are formed from fossils
  6. 13. Liquid mixture of hydrocarbons that can be refined into gas products
  7. 14. trap heat within the atmosphere and can potentially cause global warming
Down
  1. 1. energy that’s source comes from fossil fuels
  2. 2. a sedimentary rock forms from the remains of plants that accumulate at the bottom of swamps
  3. 3. Heavy elements (uranium, plutonium) are split apart and this process releases energy
  4. 5. resources that the Earth provides
  5. 7. the way we get coal and uranium/plutonium
  6. 8. the act of returning the environment back to conditions before businesses such as mining operations arrived
  7. 10. the way we obtain wood and peat
  8. 15. Easily replaceable