The standard normal curve is not symmetrical.
a. true
b. false

The standard normal curve is symmetrical. so the answer is false here . it say not that is y

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.