Please choose the correct answer to the question: A scientist looks at a graph that shows the percentages of humus, clay, and sand that make up a soil. If the scientist had the total weight of each material, instead of percentages, what type of graph would be best to illustrate the data?

Answer1: bar graph Answer2: scatterplot Answer3: circle graph Answer4: pictograph

Answer format: answer1/answer2/answer3/answer4
Answer: answer1