C. keeping all matches, cigarette lighters, and flames out of children's reach
Egyptians were smarter about things when is came to illnesses. I believe that is would be action as in them doing something to be sick or getting hurt. Other wise if you are talking about the "occurrence" of a season or something like that. they believed that illnesses can be caused by a variety of different things. like eating certain foods or drinking contaminated water. They also to believe that gods have something to do with illnesses. All in all I think the answer you looking for is action.
Answer:
depends on the total number of individual muscle fibers that have been stimulated
Explanation: