The land that supplies water to a river system is called a watershed.
Pollution from a single, identifiable source is called point source pollution.
Pollution that is difficult to link to a particular origin is called nonpoint source pollution.
Fill in the blank to complete each statement.
The land that supplies water to a river system is called a
.
Pollution from a single, identifiable source is called
source pollution.
Pollution that is difficult to link to a particular origin is called
source pollution.
1 answer