Question

question 6 of 25
which phrase best describes a nonpoint source of water pollution?
a. pipe releasing wastewater from a paper plant
b. automobile releasing sulfur dioxide in a neighborhood
c. smokestack releasing dioxins from a plastics factory
d. fertilized lawns causing nutrient runoff into a river

Explanation:

Non - point source pollution comes from diffuse sources. A pipe, automobile, and smokestack are point sources as they are single, identifiable sources. Fertilized lawns causing nutrient runoff is a non - point source as it is a widespread area contributing to pollution.

Answer:

D. Fertilized lawns causing nutrient runoff into a river