What is a resource that the national park service manages

A national park service manages to preserve the integrity of the wildlife refuge, ecosystems and the endangered species.

Explanation:

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Explanation:

A national park service manages to preserve the integrity of the wildlife refuge, ecosystems and the endangered species.

11 players on a field that has a maximum of 11 players

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.