You are presented with the quiz "Some insets can use their antennae to detect what?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "some insects can use their antennae to detect sound" and "when ears detect the vibrating air, signals are sent to the brain that are interpreted as sounds". 

So, what's the best answer to the question?


 

    vibrating air       