This question has Statement 1 and Statement 2. Of the four choices given after the Statements, choose the one that best describes the two Statements. Statement 1: Bats emitting ultrasonic waves can detect the location of a prey by hearing the waves reflected from it. Statement 2: When the source and the detector are moving, the frequency of reflected waves is changed.

A

Statement 1 is false, Statement 2 is true.

B

Statement 1 is true, Statement 2 is false.

C

Statement 1 is true, Statement 2 is true, Statement 2 is not the correct explanation of Statement 1.

D

Statement 1 is true, Statement 2 is true, Statement 2 is the correct explanation of Statement 1.