Question

What are the stages of river with cause and what are river pollution

Answer 1

Answer:

Nearly all rivers have an upper, middle, and lower course. The beginning of a river, when it flows quickly with lots of energy, is called a young river. The river here is smaller and usually has a rapid, tumbling flow that cuts a narrow channel through rocky hills or mountains.

Answer 2

Explanation:

Fertilizers and pesticides are harmful because they cause algae to grow. The algae then destroy water plants. pollution. Green algae.