What kind of plants grows around the river?

Longest river in the world is

Give an example of these which don’t dissolve in water.

When we see a river from far it will appear _______ in colour.

During the rainy season, the level of water in a river is

The dirty water looks

One of the best and simple method of cleaning water

Give one example of an activity which make the river water dirty.

During summer, the level of water in a river is

Huge flow of water on an area which is usually dry in