You are presented with the question "Bouncing sound waves off the bottom of the ocean is used to find what?" and the following answer choices: 
- locations of objects
 - body water
 - one celled organisms
 - hidden communities
 - atlantis
 - underwater cities
 - food and shelter
 - electromagnetic energy

Now knowing that sonar is used to find the location of an object and sonar bounces sound waves off the bottom of the ocean, choose the best answer.


 

 locations of objects        