Which statement best describes a difference between presidential and parliamentary democracies?
a)in a parliamentary democracy, the head of state is a member of the legislature. in a presidential democracy, the head of state is directly elected by citizens.
b)in a parliamentary democracy, voters are able to directly elect the head of state. in a presidential democracy, the head of government is a member of the legislature.
c)in a presidential democracy, the executive and legislative branches are joined. in a parliamentary democracy, the two branches are separate.
d)in a presidential democracy, there is a legislative branch but no executive branch. in a parliamentary democracy, there is an executive branch but no legislative branch.