Answer:
c. a 60% increase in the population of blue crabs in one year
Step-by-step explanation:
The Chesapeake Bay had been suffering from decades of overuse and lack of watercare, however a group of senior concerned citizens united in turn of the many ailments that were troubling the bay and decided write up a plan regarding the possible solutions that were to take place if there were to be a remedy to improve the water quality.
The largest estuary in the US, as it is described, would undergo a series of steps that would need the attention of the three states related to it, Maryland, Virginia and Pennsylvania. This is why none of the other responses like a partnership of the states, or goals to limit the impact of dangerous compounds, or the governor´s goals for waterfronts, or anything related to money saved reducing Ni and phosphorous compounds answer directly to an environmental benefit. These are goals or actions, not direct benefits.