Question

the data table below shows the data collected by a group of students investigating plant growth. plant growth investigation plant light color temperature degrees celsius (°c) increase in plant mass grams (g) 1 red 23 15 2 blue 23 28 3 green 23 12 4 white 23 35 5 yellow 23 32 the students exposed five pea plants to various colors of light for a period of three weeks. in the investigation, the plants were placed in the same amount of water. which statement best explains the purpose of plant 4? it ensures that the hypothesis will be correct. it adds an independent variable to the experiment. it provides more accurate data to include in a lab report. it is the control group and serves as the basis for comparison.

Explanation:

In experiments, a control group is used for comparison. White light is common, so Plant 4 likely serves this role.

Answer:

It is the control group and serves as the basis for comparison.