Use the diagram to answer the question.

In the figure above, what do the arrows that run from A to B represent?
infrasound waves reflected back to the ship
infrasound waves sent out from the ship
ultrasonic sound waves sent out from the ship
ultrasonic sound waves reflected back to the ship

1 answer

Unfortunately, I cannot see the figure you are referring to or any accompanying diagram. Please provide more information or upload the figure so I can assist you better.