The fact that all dogs in the neighborhood begin to howl at the same time every day while you can't hear anything that might cause this response is probably because the dogs
A) can hear sounds we would classify as infrasound.
B) can hear sounds we would classify as ultrasound.
C) are disturbed by underground vibrations.
D) require more volume before they can hear the same sounds as you do.

Question

Quizplus · Accepted Answer

Dogs have a wider hearing range than humans and can detect sounds at higher frequencies, which are classified as ultrasound. This ability allows them to hear sounds that are imperceptible to human ears.

The Fact That All Dogs in the Neighborhood Begin to Howl