Question

What will happen if acidic industrial waste water are dumped into rivers without treating them?

Answer 1

it will cause a widespread water pollution ..
this will lead to..
-increase in the pH of river water thereby harming the aquatic life as well as the plants underwater
-

Answer 2

Here's your answer:

If acidic industrial waste water are dumped into rivers withy treating them, then the rivers might get polluted and the organisms in the rivers would die or get diseases. This will also lead to the increase of pH level of the water thereby harming the aquatic plants and animals.