Respuesta :
Answer:
Sound waves
Explanation:
Sound wave is the only mechanical wave, which needs a medium. Other guy is lying.
The sound waves require a material medium for transmission option (c) is correct.
What is a sound wave?
It is defined as the pressure waves when an object started to vibrate it produces sound and vibration which leads to causes a sound wave.
Whenever a disturbance happened in the atmosphere caused to travel the energy is transferred across the medium such as water, air, or any kind of liquid or solid.
It started to travel far away from the source where the vibration started.
It is the only wave that needs a material medium for transmission.
For radio, lightwaves, and microwaves are not mechanical waves hence do not require the medium for transmission.
Thus, the sound waves require a material medium for transmission option (c) is correct.
Learn more about the sound waves here:
https://brainly.com/question/11797560
