Which applies to the collision theory? Particles need to collide in order to react.
Particles may obtain successful collisions in any molecular orientation.
Temperature increase causes kinetic energy of particles to decrease.
Reactions do not have to begin with collision of molecules or particles.

Read the scenario below and answer the question that follows. hallie is reading a novel in the library when susan, her best friend, slumps down in a chair next to her. susan doesn't say anything, but hallie knows that susan is upset because she is slumping in her seat and rolling her eyes. a psychologist would explain that hallie is interpreting her friend's emotion based on a. the behavioral component of emotion b. her friend's ability to regulate emotion c. the verbal component of emotion d. the physiological component of emotion select the best answer from the choices provided a b c d