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| Q.14 | Select the option that can be used as a one-word substitute for the given group of words. Study of the change in number of births, deaths, diseases etc in a community over a period of time | |
| Ans | 1. Density | |
| 2. Demography | ||
| 3. Sociology | ||
| 4. History |
Correct Ans Provided: 2
