rahul visited his grandmother's house un vacatiins. 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 ti keep environment clean, maintain healthy and hygienic surroundings and prevent water pollution.Answer the following questions :(a) wjat is the effect of water pollution? (b) what fo you mean by BOD? (c) what is the threat to aquatic animals due to water pollution?
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Water pollution can cause suffocation to aquatic life .
Infectious diseases can spread through contaminated water.
Discharge of chemicals in to water can be hazardous.
Infectious diseases can spread through contaminated water.
Discharge of chemicals in to water can be hazardous.
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