Who described religion as the "opiate of the masses"? A. Czar Nicholas II
B. Stalin
C. Mao ze Dong
D. Carl Marx
E. Lenin

Which of the following statements is true? a. there is not enough food produced in the world to feed everyone. b. the biggest cause of hunger and malnutrition is the cost of getting food to people who need it most. c. most countries have enough arable land and resources to feed their own population and export a surplus d. malnourishment is only seen in a few countries with very limited food supplies.

The two types of plains are coastal plains and lowland plains

Scientists think that convection currents flow in earth’s a. continents. b. mantle. c. lithosphere. d. inner core.