environmental issues

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Across
  1. 3. sources that come from fossils
  2. 4. rubbish of house
  3. 5. comes from sources that are replenished on human time scale
  4. 7. energy that comes from water
  5. 9. separating rubbish
Down
  1. 1. gases that increase global warming
  2. 2. increase of temperature of world
  3. 6. produce nuclear energy
  4. 8. is used to produce wind power