Environment

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Across
  1. 2. toxic gases from factories that pollute the atmosphere
  2. 4. to process materials so that they can be used again
  3. 6. large areas where garbage is disposed
  4. 7. the illegal hunting of animals
  5. 8. a large body of salt water between continents
  6. 9. contamination from factories
Down
  1. 1. untamed animals (in their natural habitat)
  2. 2. when an animal or plant ceases to exist entirely
  3. 3. without chemicals or additives
  4. 5. a forest found in tropical climates with heavy rain