iii) Use of chemical pesticides should be avoided because
A) they kill harmful insects.
B) they help to increase soil fertility.
C) they are hazardous to our health.
D) they help in growth of non- targeted plants.
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Ideally a pesticide must be lethal to the targeted pests, but not to non-target ... In industrial settings, workers are at increased risk since they handle ... Effect on soil fertility (beneficial soil microorganisms ).
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