Question

who are the national forests and national grasslands managed by?
department of justice
bureau of mines
national forest service
national weather service

Explanation:

The National Forest Service, a branch of the U.S. Department of Agriculture, is tasked with managing national forests and grasslands in the United States. The other options have unrelated core responsibilities: the Department of Justice handles legal matters, the Bureau of Mines focuses on mineral resources, and the National Weather Service manages weather forecasting.

Answer:

National Forest Service