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Class 8 Science Learning Guide: Certification Test 498

Human Activities and Ecosystem MCQs App & e-Book: MCQ 498

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MCQ: 498

Marine animals specially fish when live in factory discharged waste water tends to get poisonous for humans and can cause

  1. death
  2. diseases
  3. both a and b
  4. development
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Human Activities and Ecosystem Learning Guide: Class 8 Science App & eBook MCQs

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