And we know if the collisions are more frequent then it's more likely that we're going to produce the products. And so if the frequency of collision increases, the A value increases and the K will also increase. Now, does the enzyme affect A? Well, remember, the enzyme places the substrate inside the active side and what that does is it creates a microenvironment and it basically decreases the space in which the reactants are colliding. And if the space is smaller, the collision between the reactants will be much more likely. And so enzymes can also actually increase A because they decrease the space in which the reactants are actually allowed to move.