What is volume?
oa) half of the density of a substance
ob) the amount of matter in a substance
oc) twice the amount of mass of a substance
od) the amount of space a substance takes up

Sound is a disturbance that travels through a medium as a

Why do astronauts in the space shuttle weigh less?

Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm