Answer:
(i)
The increase in the number of persons per 100 persons in the base population,
in a given years is called the annual growth rate.
(ii) The annual growth rate is affected by the birth rate in the
following ways
(a) With the increase in birth rate, the annual growth
rate generally increases.
(b) For a larger population, even a lower birth rate, the
annual growth rate keeps on increasing.
(c) e.g., since 1981 the birth rates declined rapidly, still
18.20 crore people were added to the total population in the 1990s alone. If we
calculate annual growth rate based on these data, it becomes very high.
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