What is the name of the theory that explains why mountain ranges in africa and south america line up? a. pangaea theory b. landmass theory c. continental drift theory d. plate movement theory

Aplane cuts a pyramid as shown in the diagram. what is the shape of the cross section? a. a hexagon b. a pentagon c. a square d. a triangle

The blue segment below is a diameter of oo. what is the length of the radius of the circle?

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory