Echo sounding is not a very reliable way to measure ocean depth because water is a poor transmitter of sound.

Question

Quizplus · Accepted Answer

Echo sounding is in fact a very reliable way to measure ocean depth because water is an excellent transmitter of sound, allowing sound waves to travel very far and be reflected back by the ocean floor to the receiver. This is why echo sounding is commonly used in oceanography and hydrography.

Echo Sounding Is Not a Very Reliable Way to Measure