Question

define age structure death rate and birth rate​

Answer 1

age structure means the number of people in various age groups like children, adults, and old aged and above

birth rate - number of living births per 1000 of population in the middle of the year.

death rate- number of deaths of people per 1000 of population...
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Answer 2

Age structure: The age structure of a population refers to the distribution of people of various ages into different groups.(eg: children, adults, old-aged etc)

Death rate: death rate is known as the ratio of total number of deaths to the total population of a given area in a given period of time.

Birth rate: birth rate is the total number of live births per 1000 people in a given area in a certain period of time