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1. |
Birth rate in a country is defined as |
A. | Number of births per 100 in 1 year |
B. | Number of births per 1000 in 1 year |
C. | Number of births per km of area in 1 year |
D. | Number of births per 100 km of area in 1 year |
Answer» C. Number of births per km of area in 1 year | |