How do enzymes speed up biochemical reactions?

a. they provide energy to the reactants.
b. they absorb energy from the products.
c. they lower the activation energy of the reactions.
d. they increase the number of avaible reactant particles.

they lower the activation energy of reaction

a axis of a graph is a color or shade so we can all go outside and have a party so we can eat   some grilled cheese sammiches and broccoli and have some ugly fun times

i don't know why i put this, i know its not the i was just bored : p

delete this answer while you can