Age structure diagrams a. are strictly for present use and do not provide insight into future trends b. show the number of males and females in the reproductive age categories only c. show only two age groups: reproductive and not reproductive d. are useful for predicting population momentum e. are useful for studying developing countries but not developed countries

The human body maintains a temperature of around 98.6 degrees at all times. enzymes are involved in almost every chemical reaction in the body. which of the following describes the connection between these two statements? a. enzymes function best at a specific temperature. b. the body needs to be warm to prevent hypothermia. c. the body is kept relatively warm to prevent too much enzyme action. d. there is no connection between the two statements.