Sian has been monitoring soil health in three southern states for six months. He is writing a progress report on this project. Which two graphics should he use in his report?
a line chart that shows the increase or decrease in wildlife populations in southern states
a photograph of a recreational area in one of the three states
a bar chart that compares the soil in the three southern states
a table that lists the different kinds of soil found in the United States
a map that marks the three southern states covered in the report
