Question

A river, such as the one in the diagram, receives pollution from all the different sources shown. The types of pollutants and the amounts that enter the river will be different, but all the sources contribute to pollution of this freshwater.
. Which sources of pollution are point sources?
A. factories, cropland
B. wastewater treatment plants, factories
C. urban streets, suburban development
D. urban streets, suburban development, rural homes, cropland, animal feedlot

Answer 1

Answer:

A. factories, cropland

Explanation:

• The point sources are identified as the sources of water pollution such as dirty drains and other sources of discharge. Factors and sewage treatment plants are sources of discharge and are the two most common points.