the correct answer is carbohydrates because this fat can produce both short and fast energy.
Nucleus and I wanna is your a day ooof was
The "medium" is the substance or material that carries a mechanical wave. One of the most important things to remember about waves is that they transport energy, not matter. This makes them different from other phenomenon in physics.
For simple definitions, visit the following website:
https://www.ducksters.com/science/physics/waves.php