Answer:
spinal cord becuse it does all of the reflexes
<span>So we want to know what statement is an accurate description of vibrations. So humans can hear sound frequencies from 20-20000 Hz. Below 20 Hz is infra sound and above 20000 Hz is ultra sound. Humans cant hear both infra sound and ultra sound so the correct answer is A.</span>
If you mean S is the distance then it is true
Velocity = Distance / time