Question

2. Why should we treat factory wastes before discharging them into a river?​

Answer 1

Answer:

Explanation:

...because it contains harmful chemical which may pollute freshwater bodies. Factory wastes are neutralized before disposing into water bodies because,factory wastes often contain acid. If it reaches a river,the acid will kill the aquatic life. Thos is prevented by adding a base called slaked line.

please mark me as brainliest

Answer 2

We should treat factory wastes before discharging them into water because they may pollute water and cause harm to aquatic animals and plants.

Please mark my answer as the brainliest answer!