Which form of city government allows the city council to appoint the heads of city departments?

The fourth category of city government is the commission form. Commissioners, elected to head and administer the individual departments of the city government together form a council that is the policy-making and law-making body.

Explanation:

the answers is b.   environments.

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.