According to the “Collision Theory,” which statements are true for a chemical reaction to occur? I. The molecules must move slowly when they collide, otherwise they simply “bounce off” one another II. The colliding molecules should possess minimum kinetic energy, known as activation energy. III. The reactant molecules should be in the correct orientation when they collide. A. I only B. I and II only C. II and III only D. I, II, and III​