can i know these 27-28-29 please thanks a lot

Question 27 (1 point) Which of the following is not part of the collision theory? a chemical system consists of particles that are in constant motion an ineffective collision can still cause a reaction the rate of the reaction depends on the frequency of effective collisions a reaction must involve collisions of particles an effective collision has sufficient energy and correct orientation Question 28 (1 point) The activated complex is an unstable molecule has the maximum potential energy possible may continue on to preduce products may revert to reactants all of the above Question 29 (1 point) When a reaction is broken down into a number of elementary steps, this is known as a reaction mechanism reaction step None of these answers are correct reaction pattern reaction progression