Energy!

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Across
  1. 1. The most abundant energy source in our universe(8)
  2. 4. The things which pollute(10)
  3. 7. Now in motors, an energy source(11)
  4. 9. The things which can be reproduced(9)
  5. 10. Powered by the sun(5)
Down
  1. 2. Heat energy from the earth(10)
  2. 3. A rare energy source derived from our body tissues(7)
  3. 5. A device which extracts energy and gives it out(7)
  4. 6. A common non-renewable source(9)
  5. 8. A harmful greenhouse gas, begins with M (7)