Pollution in Lake Washington resulted from:
A) excessive treated sewage input from the surrounding municipal development.
B) a population explosion of resident freshwater fishes.
C) excessive boat traffic.
D) large bird populations inhabiting the waters of the lake.
E) an oil tanker spill of home heating oil.

Question

Quizplus · Accepted Answer

Lake Washington's pollution was a result of treated sewage that was discharged into the lake from the surrounding municipal development. This caused an increase in algae blooms and a decrease in oxygen levels, leading to harm to the lake's ecosystem.

Pollution in Lake Washington Resulted From