ANSWER - What is a fathometer used to measure?

Answer of this Question "What is a fathometer used to measure?" Updated here. And Find all other quiz Contest Answers on BABAoffer.com. We also Updated link, Which given below for all quiz answers.

Question:

What is a fathometer used to measure?

Options :

Ocean depth
Earthquakes
Rainfall
Sound intensity

ANSWER - Ocean depth.

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