During a period of time real gdp per capita can increase

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.

Where do most people in arabia and iraq live? a. in the fertile crescent b. in the rub, al-khali c. in cities d. in and around mecca

Music the height of a wave or the amount of the wave carries is the amplitude. a.air b.nodes c.speed d.energy