Question

who manages national parks?
department of justice
national park service
national oceanic and atmospheric administration
national weather service

Explanation:

The National Park Service is a U.S. federal agency specifically tasked with managing national parks, while the other agencies have different core responsibilities: the Department of Justice handles legal and law enforcement matters, the National Oceanic and Atmospheric Administration focuses on ocean and atmospheric research/management, and the National Weather Service manages weather forecasting.

Answer:

National Park Service