Question

Q7)
What do you mean by
Q8) What are the factors responsible for pollution of river​

Answer 1

Answer:

Many reasons

Explanation:

Unplanned development,bathing pets,washing cloths,industrial materials falling on river and so on

Answer 2

Answer:

Some of the most serious contributing factors are: Industrial wastes, mix of chemicals, heavy metals are discharged all over the water and it is difficult to clean them. Agricultural waste, chemicals, ferretilisers, pesticides used in agriculture have polluted the river's water bodies.