Environment

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Across
  1. 4. Making water, air, atmosphere dirty and dangerous for people and animals to live in
  2. 8. A number of people who live in a place, country, etc
  3. 9. Something that kills people or animal if it is swallowed
  4. 10. 10
Down
  1. 1. 1000 kilograms
  2. 2. A place where rubbish is left
  3. 3. Something that is used to kill or hurt people in a fight or a war
  4. 5. Not hurt, not in danger, not dangerous
  5. 6. Material which was used and is no longer wanted
  6. 7. A situation where there is not enough of something