Most elephant calls are infrasonic, which works well for them because, when compared with ultrasound, infrasound
A) allows for the production of less attention-getting signals.
B) is more easily degraded by reflection, refraction, and absorption.
C) travels well over long distances.
D) travels well over short distances.

Question

Quizplus · Accepted Answer

Infrasound travels well over long distances, which is beneficial for elephants that need to communicate across vast areas. Unlike ultrasound, infrasound's low frequency waves are less prone to attenuation over distance, making it an effective means for long-distance communication.

Most Elephant Calls Are Infrasonic, Which Works Well for Them