Members of several local environmental groups propose that nearly all of the buildings be removed and the area turned into a regional hiking, fishing, and camping area, with very limited vehicle access. this will preserve the natural areas while providing recreation for the city dwellers. the most likely issue raised by opponents is whether

this will generate profit

Explanation:

According to my research on different problems when undertaking big projects, I can say that based on the information provided within the question  the most likely issue raised by opponents is whether this will generate profit. When undertaking such a big project the people investing in this would obviously want to know if the revenue generated from users will pay for the changes and the maintenance of such a facility.

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chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.