The fatality rate is anywhere from 25-90 percent, with the low end originating from developed countries, and the high from underdeveloped. The average is around 50%.
I believe the answer would be D. all of the above, I really hope this helps!
C. H<span>ow hard a person works to do an activity.
Intensity has to do with effort. If a person works hard than they are intense, if vise versa than they are not intense.</span>