What do you mean by population composition by age​

it's the the proportionate numbers of persons in successive age categories in a given population. ... A population with persistently high fertility, for instance, has a large proportion of children and a small proportion of aged persons.

the correct answer is ) possibility.

demonstrating opportunity cost is done through production possibility.

the opportunity cost can be demonstrated using the production possibility frontier or curve. this graphic shows the total number of possibilities for two products when we have the resources needed and used in an efficient manner. the main resources could be money, labor, and technology. the curve shows that the production of one good increases when the production of the othe

i believe she will have 25 quarters.

step-by-step explanation: