Ans1. Can be reduced by STOPPING waste dumping in The River
Ans2.Can Also be controlled if taken care cleaned regularly

2. Why do you think it is important to treat the factory wastes before they are dumped into the rivers?
Ans. It is important as WE (people) also Drink from oceans and rivers if they are acidic or polluted it may result in SERIOUS danger so keeping it clean can also help us and the other living beings drinking from the rivers and oceans so it is important to keep it clean.

3. How does neutralization reaction play an important role in our daily life. Explain by giving any three examples.
Ans. Neutralization is one major part in EVERYONES lives as 1 among the reactions are digestion! Our Stomach has an acid for digestion When we cant digest we should drink "THE MILK OF MAGNESIA" which is a base which neutralizes our stomach and relieves our pain. 2nd example can be baking which is there pretty much regularly there in our lives . 3rd example can be Farmers using Lime to neutralize acidic Soil.