Chemistry

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Across
  1. 3. the kind of industry which produces medicines
  2. 4. poisonous
  3. 7. the opposite of synthetic organic
  4. 8. the chemicals added to food are called food
Down
  1. 1. a natural or chemical material used by farmers to help grow crops
  2. 2. the chemicals derived from petrol or natural gas
  3. 5. a household chemical product used to disinfect
  4. 6. =pollution