I would assume but am not completely sure..
A. There is no resistance involved if you are swinging your arm
Answer:
Ping pong, or table tennis, is played on a 5' by 9' surface.
The correct answer is letter C. G<span>erontogastroenteroepidemiology would probably deal with the study of stomach and intestinal epidemics that strike the aged.
"Geronto" - age
"Gastroentero" - stomach and intestines
"Epidemio" - epidemic
"logy" - study of</span>