Question

write note on the work of river

Answer 1

Rivers have been a source of food since pre-history. They are often a rich source of fish and other edible aquatic life, and are a major source of fresh water, which can be used for drinking and irrigation. Most of the major cities of the world are situated on the banks of rivers.

Answer 2

1.they bring huge amount of silt and sediment.
2.They make deltas which are very fertile.