Question

define age structure , death rate and burth rate ??

Answer 1

death rate: the number of the persons who die is death rate
birth rate:the nu.ber of the persons who have got birth is called birth rate

Answer 2

(i)Age structure - Structure refers to the number of people in different age groups in country.

(ii) Death rate - It is the number of the day death per thousand persons in a year.

(iii)Birth rate - It is the number of birth per thousand person in a year.