The sides of a central angle are two of the circle

In a repredentive democracy: a.) people come together in large meetings to vote on public policy b.) the people govern themselves c.) political power is held by a small group of people d.) people elect officials to run the government for them

If scientists only detect p waves in a certain layer of earths interior what does that tell us?

What type of aid does nigeria receive? short term, tied, voluntary, bilateral, multilateral or long-term?