How Does Increasing the Temperature of a Reaction Affect the Reaction

Multiple Choice

How does increasing the temperature of a reaction affect the reaction rate?

A) It slows the rate down by changing the heat of reaction.
B) It speeds the rate up by raising the activation energy.
C) It slows the rate down by increasing the activation energy.
D) It speeds the rate up by increasing the kinetic energy of the molecules.
E) It slows the rate down by increasing the kinetic energy of the molecules.