What does one prolonged blast emitted by Boat A using an efficient sound-producing device indicate?

A. Its intention to turn right
B. Its intention to turn left
C. Its intention to stop
D. Its presence to other boats



Answer :

Final answer:

A prolonged blast from Boat A signals its intention to turn, aiding in navigation and avoiding collisions at sea.


Explanation:

One prolonged blast emitted by Boat A indicates its intention to turn, either right or left, to inform other boats of its movement. This signal is crucial for navigation and collision avoidance at sea.


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