Respuesta :

it is b

fulcrum is a pivot point around which a lever turns, or something that plays a central role in or is in the center of a situation or activity. A pivot point around which a lever turns is an example of a fulcrum. A person around whom all activity revolves is an example of the fulcrum

Answer:

It would Be   (B)

Explanation:

The reason behind the answer is because if you look at the picture b is the medium it is the thing holding all of it together