Which of the Following Is Correct Regarding Mean Sea Level

question 42

Multiple Choice

Which of the following is correct regarding mean sea level?

• A) A consistent value has yet to be determined due to all the variables involved in producing the tides.
• B) It is at the same level along the entire North American coast.
• C) It is calculated based on average tidal levels recorded hourly at a given site over a period of many years.
• D) It has very little variability across all ocean basins and, therefore, is treated as an absolute value.

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