Question: One method of heat distribution is a baseboard forced hot water system. A baseboard system carries hot water through a pipe that passes through many small, flat plates called fins. What is the purpose of these fins?

  Options: 
 A. to dissipate the heat of the hot water flowing through the pipe
 B. to prevent the baseboard from coming in contact with hot surfaces
 C. to replace the heated air leaving the system with cold air
 D. to prevent dust and other particles from entering the baseboard
Answer: A