4. (01.01 MC) Daisy made the graph shown to display the data recorded during an experiment. Daisy is study the experiment. The first plant was planted in Type A soil in 4 hours of sunlight, the second pla darkness. All other growing conditions of the plants were kept constant. (4 points) Height in cm 3.50 3.00 2.50 2.00 1.50 1.00 0.50 0.00 Z 2 Plant Growth Week What is wrong with Daisy's experimental design? A single variable was used Sunlight was not kept constant More than one type of soil was used Other growing conditions were not changed Type A soil Type B soil Type C soil​