What is the age structure of a population. explain how it affects population growth and economic growth. describe the american baby boom and some of the effects it has had on american culture. what are some problems related to rapid population decline due to an aging population? how has the aids epidemic affected the age structure of some countries in africa?

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the use of electrical signals that transit messages is know as

i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.