Which characteristic do the limited governments of Germany, Britain, and the United States share?
A.
single-party rule
B.
presence of a ceremonial monarch
C.
separation of powers
D.
divine right of kings

 A constitutional monarchy is a form of monarchy in which the sovereign exercises authority in ... While most monarchs may hold formal authority and the government may legally ... The United Kingdom and the other Commonwealth realms are all ... Strongly limited constitutional monarchies can be called crowned republics.

Explanation:

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.