Wholesalers are traditional "Middle Men" they buy large bulk from manufactures, most of the time with their own transportation (Their Niche) and they sell and deliver in smaller quantities to "Retailers" and charge more per unit.
All of theseeeeeeeeeeeeee
The answer is a) True
cheers!
The most likely answer is B. ablation therapy
It is used to destroy tissue that causes abnormal conditions, arrhythmia in this case.