1) Base your answer on the information and data table below and on your knowledge of biology.
A student wanted to investigate the effect of light on the rate of ripening of tomatoes. She set up four pots of the same size with identical amounts of soil, water, and type of tomato plants. Each plant was exposed to a different intensity of light as shown in the table below.
The independent variable in this experiment is the


A)
light intensity

B)
amount of soil provided

C)
type of tomato plant

D)
color of tomatoes