9. Although presidential and parliamentary systems of governments have official heads of government, a distinguishing difference between the two forms of government is

A. the parliamentary head of state creates all laws while the presidential head
of state has no power.

b. the presidential head of state is a separate branch of the government and
the parliamentary head of state is a member of a parliament.

C. the presidential head of state is elected by the by the legislature and the
parliamentary head of state is elected by the people.