Mrs. Plank was comparing how two different fertilizers affected two groups of tomato plants in her garden. For her investigation, she took measurements each week. For each group, she also took notes about the appearance of tomatoes and leaves on the plants. She made a bar graph to compare the average growth of each group. Which format should she use to record and organize the data for her other notes? A) pie chart B) pictograph C) written log D) Venn diagram