An Echo Sounder Operates by Measuring the Time Required for A___________

question 86

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) sound pulse to travel from a ship or survey towfish to the seafloor and back
• C) radar beam to travel from a ship to the seafloor and back
• D) radar beam to travel from a harbour patrol boat to a fuzz- buster on a speeding yacht

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Definitions:

Public Ownership

Ownership of assets by the government or public entities, as opposed to private individuals or companies.

Competition

the rivalry among businesses to attract customers and achieve such goals as higher sales, market share, and innovation.

Market Price

The current value at which an asset or service can be bought or sold in the open market.

Independently Acting

Refers to an entity or person making decisions based on their own judgments or interests without coordination with others.