Answer:
Medium
Explanation:
Medium – a substance through which a wave can travel. Transverse wave – a wave in which the particles of a wave's medium vibrate perpendicularly to the direction the wave is traveling.
Answer - A substance through which a wave can travel is a medium
Explanation:
A medium is the middle point between the crest and trough and it helps to Carry the wave or you can call it the disturbance of the wave . .