A student runs a simulation of resource consumption in which cereal is used to model a resource. the student spends 15 seconds using a fork and an index card to pick up pieces of cereal and transfer them to a cup. the student runs the simulation two times, keeping all factors the same except the amount of cereal that cant be picked up at one time. what variable is the student most likely testing?

a. harvesting time

b. population size

c. rate of harvesting

d. evenness of distribution