A student is studing the effect of fertilizer on fruit growth. He uses 6 tomato plants, placing each in a garden where they get equal amounts of sun and water. One plant is given no fertilizer, while the other 5 plants are given 5, 10,15,20, and 25 grams of dissolved fertilizer each day for 3 weeks. At the end of the experimentthe tomato fruits are weighed.
What is the dependent variable in this experiment? (1 point)
A. amounts of fertilizer
B. amount of water
C. fruit weight
D. sun exposure