Which BEST describes how a parliamentary democracy is different from a presidential democracy?

A.
In a presidential democracy, there are usually two main political parties; in the parliamentary system there is only one.

B.
In a parliamentary democracy there are usually two main political parties; in the presidential system there is only one.

C.
In a parliamentary democracy, the head of the government is elected by the legislature.

D.
In a presidential democracy, the head of the government is elected by the legislature.

C)In a parliamentary democracy, the head of the government is elected by the legislature.

Explanation:

The main difference between presidential and parliamentary governmental systems is that in a parliamentary system the chief executive is chosen by the legistrature. but best describes how a parliamentary democracy differs from a presidential democracy is that the head of the government is a member of legislature.

its c

apartheid, (afrikaans: “apartness”) policy that governed relations between south africa's white minority and nonwhite majority and sanctioned racial segregation and political and economic discrimination against nonwhites. people should not get this wrong. i was just answering a question.