Consider the following hypothesis: soybean plants produce more soybeans when given nitrogen-nich fertilizer. which of these should the experiment do in order to best test thishypothesis? a. compare the heights of soybean plants grown with and withoutnitrogen-rich fertilizerb. compare the masses of soybeans obtained from plants grownwith and without nitrogen-rich fertilizerc. measure the amount of nitrogen in the soil before and afterharvesting soybeansd. measure the rate of water absorption by soybean plants beforeand after receiving fertilizer