The Growing Atlantic Ocean Quick Check

1 of 41 of 4 Items
Question
Which data is used to make a sonar map of the ocean floor?(1 point)
Responses

the amount of light that reaches the ocean floor
the amount of light that reaches the ocean floor

the time it takes for a pulse to bounce from the ocean floor
the time it takes for a pulse to bounce from the ocean floor

the time it takes an underwater vehicle to reach the ocean floor
the time it takes an underwater vehicle to reach the ocean floor

the amount of spreading that occurs on the ocean floor

None of the response options are correct. The data used to make a sonar map of the ocean floor is the time it takes for a sound pulse to bounce off the ocean floor and return to the surface.