The president appoints these people to their jobs: .

The President has the power to appoint federal judges, ambassadors, and other principal officers of the United States, but the Senate needs to confirm these positions.

Explanation:

Principal officers includes ambassadors and Members of the Cabinet.

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.