thyracoxoqxa92 thyracoxoqxa92 04-09-2019 Biology contestada To determine the effect of color of light on plant growth, 4 groups of bean plants were grown under the light conditions below. Group 1—under red light Group 2—under green light Group 3—under violet light Group 4—in normal, white light Which of the variables below should be held constant? Options: The color of light each group of plants receives All of the above How much each plant grows The amount of light each group of plants receives
