Question

which federal agency is responsbile for the preservation of unimpaired natural and cultural resources? u.s. forest service national park service bureau of land management

Explanation:

The U.S. National Park Service's core mandate includes preserving unimpaired natural and cultural resources for public enjoyment, while the U.S. Forest Service focuses on sustainable forest use, and the Bureau of Land Management manages multiple-use public lands.

Answer:

National Park Service