<span>About 1,760 calories.</span>
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>
Pretty confident that it is A, judging by that the word composition is used as a combination or a ratio of 2 things. Also none of the other options make sense.
(hope this helps)
middle-distance running, in athletics (track and field), races that range in distance from 800 metres (roughly one-half mile) to 3,000 metres (almost 2 miles).
