Question

Dolphins and Whales use .................. to find something to eat or find their family members even if it is dark or the water is not clear. *

Echolocation

sight

smell

Answer 1

Echolocation is correct

Answer 2

Echolocation

- sound waves are being used and once they hit an object they are bounced back (that's how an echo is created)

- it's useful since it can tell you where something is