An Echo Sounder Operates by Measuring the Time Required for a ________

question 113

Multiple Choice

An echo sounder operates by measuring the time required for a ________.

• A)light beam to travel from a satellite at a known altitude to the sea bottom and back
• B)radar beam to travel from a harbour patrol boat to a fuzz-buster on a speeding yacht
• C)radar beam to travel from a ship to the seafloor and back
• D)sound pulse to travel from a ship or survey towfish to the seafloor and back

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Definitions:

Temporal

Relating to time or denoting the temples of the skull.

Encephalitis

An inflammation of the brain often caused by infection, leading to symptoms such as fever, confusion, and in severe cases, seizures or neurological issues.

Neurilemma

The outermost layer of nerve fibers, essential for the regeneration and functioning of peripheral nerves.

Neuroblast

An immature nerve cell that has the potential to develop into a neuron.