Afarmer created a natural fertilizer and is testing the mixture his corn crop this year. this table shows amount of corn grown with and without fertilizer. the corn in group a was divided into acres and each acre was given a specific amount of fertilizer. none of the corn in group b was given fertilizer. which statement best elaborates on this farmer's method of testing? a) this test required him to plant various amounts of corn on each acre, which allowed him to compare how well corn grows in a given space. b) this test allowed him to compare crop results with and without the fertilizer, and it also provided data on the best amount of fertilizer to use. c) this test allowed him to compare not only his fertilizer, but the soil quality as well, since he planted two groups of corn on different plots of land. d) this test required him to separate his property into twelve acres, but it revealed which acres have the best irrigation and responded to the fertilizer.