Question

What does the author explain about the SAR sonar tracking system?

SAR finds objects underwater by bouncing electronic sound waves off of them.

Red torpedoes we’re used to track the objects on the ocean floor.

The strong ocean currents wasted time, keeping the scientists behind schedule.

Answer 1

A

Step-by-step explanation:

Answer 2

Answer: SAR finds objects underwater by bouncing electronic sound waves off of them.

Step-by-step explanation: