These typically are "Demographics" descriptors.
A is the answer to this question.
The correct answer would be option A, Area residents.
The state of Florida funds a program to recruit scholars and researchers to reduce pollutants in the Everglades and restore endangered species. Over time, area residents benefit from cleaner water resources as well as unique ecosystem. Area residents represents the free riders in this example.
Explanation:
Free riders, as the name suggests, are the people who take advantage of the things free of cost. People who take benefits of something without putting any effort or without paying for it, are called the free riders.
In the given example, The state of Florida wants to reduce the pollutants in the everglades and restore the endangered species. For this, they funded a program to recruit scholars and researchers. As a result of their work to reduce the pollutants and restore the species, the unique ecosystem came to existence and the cleaner water supply was made possible. So these were the things from which the Area residents were benefited. So here Area residents acts as Free Riders.
Learn more about Free Riders at:
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<em>It is D. Sales tax. Hope this helps</em>
