Question

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

Answer 1

I believe the answer is D because if there is a decline in the younger population the momentum is going down but if there is an increase in younger population then it is growing