Lionel wants to compare the heights of his plants. What type of graph would be best for him to use?
A pie or circle graph
B line graph
C bar graph
C bar graph
C. bar graph
A bar graph is the most suitable graph for comparing heights of plants. It allows Lionel to visually compare the heights of different plants by using vertical bars. Each bar represents the height of a different plant, making it easy to see the differences between them.