Question

Which data is used to make a sonar map of the ocean floor?

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

2 the amount of light that reaches the ocean floor

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

4 the amount of spreading that occurs on the ocean floor

Answer 1

Answer is 3 the time it takes for a pulse to bounce from ocean floor

Answer 2

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

Step-by-step explanation: