1. The advantage that instinct had over the will as a scientific motivational construct was that the
Instinct, unlike the will: a. arose from the study of philosophy. b. could be shown to be highly similar to
other motivational constructs. c. could be traced in its origin to the Individual's genetic endowment, d.
was very popular.

This is what i found on google “according to the collision theory, the following criteria must be met in order for a chemical reaction to occur: molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break. molecules must collide with the proper orientation.” i hope this information you.