Question

How does sonar work? (1 point)

a . Oby passing sound waves through objects
b . Oby speeding up sound waves in different materials
c . Oby locating objects in outer space
d .Oby bouncing sound waves off of objects​

Answer 1

I did the test too.

The answer was D. She is correct.

good job

Answer 2

d.Oby bouncing sound waves off of objects.