Multiple choice

We generally measure the depth of the sea in

  1. feet

  2. fathoms

  3. metres

  4. nautical miles
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sea depth is traditionally measured in fathoms in maritime navigation. One fathom equals 6 feet (approximately 1.83 meters). While meters are also used in modern contexts, fathoms remain the standard nautical unit for depth measurement on navigational charts. Feet and nautical miles are used for distance, not depth.

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