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 23 at Henlopen Park?
A. 3
B. 2.1
C. 3.2
D. 2
E. 1.9
A. 3
B. 2.1
C. 3.2
D. 2
E. 1.9
