rahul visited his grandmother's house on vacations. he observed that families from nearby localities bring lots of laundry to wash in river. also they make their animals bathe in river and dump garbage around it. rahul advised them to keep environment clean, maintain healthy and hygienic surroundings and prevent water pollution.Answer the following questions :(a) what is the effect of water pollution? (b) what do you mean by BOD? (c) what is the threat to aquatic animals due to water pollution?
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a} Water pollution leads to diseases as it leads to shortage of pure drinking water and it is harmful for marine animals too
c} polluted water leads to bad health for aquatic animals as it infects the oxygen in the water from which they breathe
c} polluted water leads to bad health for aquatic animals as it infects the oxygen in the water from which they breathe
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