The Hypothesis That Best Describes the Lake Washington Case Study

Multiple Choice

The hypothesis that best describes the Lake Washington case study is that:

A) Lake Washington is unfit for public recreation.
B) increases in cyanobacteria numbers are a direct response to increased nutrient availability.
C) if the sewage is diverted, then the water quality of the lake will return to previous levels.
D) bacteria from municipal sewage are increasing in the lake.
E) human activity has had no impact on Lake Washington, it is undergoing a natural process.