Question

which of the following are afforded the highest level of protection in the united states and do not allow any motorized vehicles, roadways, buildings, or concessions? national parks national historic sites national wilderness areas national malls

Explanation:

National Wilderness Areas in the US are designated to preserve natural ecosystems with strict rules: no motorized vehicles, roadways, buildings, or commercial concessions, offering the highest protection for wilderness. National Parks may have roads/buildings, Historic Sites focus on history with some infrastructure, and National Malls are urban with development.

Answer:

C. National Wilderness Areas