Class 8 Science MCQs – Certification Test 498

Human Activities and Ecosystem MCQs (Question 498) – App & e-Book Download

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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:

death
diseases
both a and b
development

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Human Activities and Ecosystem MCQs App & e-Book – Class 8 Science Learning Guide

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