Question

What happens if waste materials of industries is drained off without treatment?

Answer 1

Answer:

It leads to deadth of fishes in river..

It disbalances ecological balance.

Answer 2

When waste materials of the industries are drained off without treatment they pollute the surrounding water bodies like ground water, lakes and rivers.  

• The water when it reaches the ocean the aquatic lifestyle is disturbed. And when human eats the fishes from the sea it affects the human in turn.  

• This is a kind of chain reaction, so if the waste materials are not treated then it will affect the whole life cycle.