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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
• ✓
  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 $1$