If a city has a total land area of 5 square miles and a I
population 100,000: What is
the population density of the
city

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

Which country is currently the most populated country in the world? a. india b. china c. mongolia d. indonesia

Which of the following terms describes the layers of air surrounding the earth ?