Energy Resources

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Across
  1. 4. rich deposits found in the Middle East
  2. 5. chemical compounds derived from oil
  3. 7. world's most abundant fossil fuel
  4. 8. primary source of energy on Earth
Down
  1. 1. energy from hot underground water or steam
  2. 2. process used by nuclear power plants to generate energy
  3. 3. energy produced from material of living organisms
  4. 6. the ability to do work or make a change