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प्रश्न
Answer the following question briefly.
Define age structure, death rate and birth rate.
थोडक्यात उत्तर
टीपा लिहा
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उत्तर
The age structure of a population refers to the number of people in different age groups in that population.
Death rate is the number of deaths per thousand persons in a year.
Birth rate is the number of live births per thousand persons in a year.
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