A student is studying the effects of sunlight on tamato plants she chooses 6 tomatoe plants making sure that each of them receives the same amount of water and fertilizer each day she gives one plant 0 hours of sunlight each day with the other 5 plants receiving 1.3,5,7,and 9 hours of sunlight at the end of the experiment she has people try a tamato from each plant and has them rank the fruits by their sweetness she also records the total of leaves produced on each tomato plant which variable was controlled in the experiment? Answer choices. Sweetness if fruit, amount of water, number of leaves, hours of sunlight
