Pesticides

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Across
  1. 3. insects that help to increase amoount of yield
  2. 4. pesticides are used to protect
  3. 5. chemical element found in pesticides
  4. 7. chemical used to kill weeds
Down
  1. 1. insect that damages crop
  2. 2. chemical used to kill insects
  3. 6. pesticides are usde to kill