Question

question 6 of 25
which phrase best describes a point source of water pollution?
a. pipe releasing wastewater from a paper plant
b. automobiles releasing sulfur dioxide throughout a city
c. fertilized lawns causing nutrient runoff into a river
d. smokestacks releasing dioxins from an industrial area

Explanation:

A point - source pollution comes from a single, identifiable source. A pipe releasing wastewater from a paper plant is a single, distinct source of water pollution. Automobiles releasing sulfur dioxide are air - pollution sources. Fertilized lawns are non - point sources as they are diffuse. Smokestacks releasing dioxins are air - pollution sources.

Answer:

A. Pipe releasing wastewater from a paper plant