Renewable energy

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Across
  1. 1. produced by materials in the earth
  2. 7. instrument used to collect wind and water flow
  3. 9. energy that cannot be replaced
  4. 10. comes from things that were once living
Down
  1. 2. energy that can be easily replaced
  2. 3. the least amount of energy required for something to function
  3. 4. collects sun rays and converts them into electricity
  4. 5. free energy that produces no greenhouse gas
  5. 6. energy from flowing water
  6. 8. energy that comes from the sun