1. Discuss the impact of chemicals on human health through a case-study other than those mentioned in the text. (5)

         Text refers to OTBA 
         Class9
         Science

Dear student,
Such questions are made for enhancing the self creative skills and should be tried answering on your own. Here are few points which may help you framing your answer.
''Chemicals adversely affects human health. It damages organs, causes weakening of immune system, It may lead to problems related to reproductions and birth defects. Chemicals may causes cancer and affects the mental and physical developments of the children''.
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Regards

  • -9
Chemicals affect the human health. Using more chemical is hazardous for us. It can damage our body.
  • -6
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