Spanking a child for repeatedly breaking glass showpieces is a form of positive reinforcement

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 the most populous and least areas of russia and why are some areas more heavily populated than others

Acurb of this color means you may not stop a) yellow b)green c) red d) blue