Answer:
Figure A It is a 'pyramid' shaped age
pyramid. In this figure, the base, i.e., pre-reproductive stage is very large
as compared with the reproductive and post-reproductive stages of the
population. This type of age structure indicate that the population would
increase rapidly.
Figure B It is an 'inverted bell' shaped
pyramid. In this figure, the pre-reproductive and reproductive stages are same.
This type of age structure indicates that the population is stable.
Figure C It is 'urn' shaped
pyramid. In this figure, the pre-reproductive and reproductive stages are less
than the post-reproductive stages of this population. In this population more older
people are present. This type of age structure indicates that the population
definitely is declining.
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