Question

What do we mean by the source of a river and mouth of a river?

Answer 1

Dear student,

The source of a river or stream is the original point from which the river flows. It may be a lake, a marsh, a spring or a glacier. This is where the stream starts.

The place where a river enters a lake, larger river, or the ocean is called its mouth.

In short,
The source is where a river begins, and the river mouth is where it joins the sea. The mouth may be in the form of a river delta.

Regards