Krista is conducting an investigation to determine how much water is best for her sunflower plants. She uses five plants and gives each a different amount of water for six weeks. Each week, she measures the height of each plant. She records her findings in the chart below.
What information should be recorded below the weeks?
A.the amount of sun each plant received
B.the amount of sun each plant received
C.the height of each plant every week
D.the amount of water each plant received
