Question

What is the drainage area the supplies water to a river​

Answer 1

sewer

Step-by-step explanation:

That is where all the water goes

Answer 2

The land area that supplies water to a river system is called a watershed.

Step-by-step explanation:

For example, the watershed of the Mississippi River covers nearly one-third of the United States. A divide is a ridge of land that separates one watershed from another watershed.