Due to the difference in temperature air rises at the equator and sinks at the .

If you heat soup on a stove, what happens to the movement of the soup’s particles? a. the particles move slower. b. the particles move faster. c. there’s no change in the speed of particles. d. the particles stop moving.

What are objects called that have value in and of themselves as well as value as a means of exchange? custom commodity money currency simple money

Five methods of nomination used today include: select all that apply convention caucus direct primary inheritance promotion petition announcement