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Q: Which device is used to measure the depth of ocean?
  • A. Lexometer
  • B. Nanometer
  • C. Fathometer
  • D. Hydrometer
Correct Answer: Option C - Fathometer is used to measure Ocean depth. Fathometer is a depth finder that uses sound waves to determine the depth of water.
C. Fathometer is used to measure Ocean depth. Fathometer is a depth finder that uses sound waves to determine the depth of water.

Explanations:

Fathometer is used to measure Ocean depth. Fathometer is a depth finder that uses sound waves to determine the depth of water.