Traditional belief before the scientific revolution believed
a. spirits and divinities control the movement of the planets
b. the same force that pulls an object to earth keeps the planets in orbit
c. gravity keeps objects from floating off

Which of the following could affect the human population? a hurricane makes landfall on an uninhabited island. a deadly virus emerges that can pass from human to human. a civil war breaks out in italy. a solar eclipse occurs.

Which physical feature minimizes population density in northern africa?

Which of the following is not a requirement to become a us representative (congressman/congresswoman)? a.be at least 25 years old b.have been a citizen of the united states for the past seven years c.be (at the time of the election) an inhabitant of the state they represent. d.hold a college degree