The graph above shows the height of the tide, in feet, above or below a baseline. Which of the following is closest to the difference, in feet, between the heights of the highest and lowest tides on February 20 at Henlopen Park?
A. 3.1
B. 2
C. 2.1
D. 3.2
E. 2.6
A. 3.1
B. 2
C. 2.1
D. 3.2
E. 2.6
