USCG USCG GENNAV
Set 5 • Question #128 of 246
Launch Interactive Practice Room The average height of the surface of the sea for all stages of the tide over a 19 year period is called __________.
A
mean high water
B
mean low water
C
half-tide level
D
mean sea level
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG General Navigation principles (Bowditch, Light Lists, and Coast Pilots), regarding 'The average height of the surface of the sea for all stages of the tide over a 19 year period is called', the verified fact is: 'mean sea level'.
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