Effects of energy transfer

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Across
  1. 2. A energy source that cannot be produced, grown, or restored as fast as it's used
  2. 4. A energy resource made from carbon-rich plant and animal remains
  3. 6. renewable energy from the sun can be converted into electrical energy.
  4. 7. power by the water cycle, so it is a renewable resource
  5. 9. it formed from the remains of
  6. 10. extracted from heat stored within Earth.
Down
  1. 1. A energy source that can be easily replaced by nature
  2. 3. converting energy into electrical energy is a complex process with a powerful payoff
  3. 5. is renewable and it doesn't cause any pollution.
  4. 8. A sedimentary rock formed from the remains of dead plants at the bottom of ancient swamps.