Tide

-10123timenoonmidnightheight of tide3.30 a.m.0.3 ft11:30 a.m.2.1 ft5:30 p.m.0.2 ftTides at Bay Cove on July 6
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 July 6 at Bay Cove?
A. 1.9
B. 1.8
C. 2.3
D. 1.5
E. 1.3