The graphs show the results of two separate experiments on the same species of plant. Students now
want to determine how the use of rainwater or bottled water affects the growth of this plant. Which
conditions should be used for optimal growth as the two water types are tested?
Plant Growth Experiments
20
20
15
15
Final Plant Growth
(cm)
10
Final Plant Growth
(cm)
10
5
10
30
40
50
60
00
10
50
60
20
Temperature
(°C)
20 30 40
Water
(mL/day)
A. 20°C, 10mL of water per day
B. 25°C, 35 mL of water per day
C. 30°C, 45 mL of water per day
D. 35°C, 20 mL of water per day