This question has two parts. First, answer Part A. Then, answer Part B. Part A
How does Passage 3 support the claim that the U. S. military would like to
improve its sonar technology?
It illustrates how existing technology was developed through specific
examples.
It gives statistical evidence that explains how technology has
improved in the past.
It explains how bats echolocate and gives examples of situations
where echolocation might occur.
It describes how scientists train bats and observe specific behaviors
to learn how echolocation works.