William is testing what type of light best helps bean plants grow. He plants four beans in four separate pots. He places each po

Question

3 years ago

10

William is testing what type of light best helps bean plants grow. He plants four beans in four separate pots. He places each po

t in a different room and subjects them to different types of light, and he waters each plant the same amount. He uses sunlight, ultraviolet, fluorescent, and black light. William then measures the height and growth rate of each plant. Which light source is part of the control group for William’s experiment? A) sunlight B) ultraviolet C) fluorescent D) black light

Biology