Pleaseee help ASAP
Students treated a population of bean plants with fertilizer. They observed that these plants, on average, were taller than another population of the same kind of bean plants that were not treated with fertilizer. These observations lend support to which of the following conclusions?

A. Not all plants respond to fertilizer the same way.

B. Fertilizer can affect the growth of bean plants.

C. Survival of bean plants is dependent on fertilizer.

D. Only fertilizer can make bean plants larger.