WUNU las crossed 10 billion mark in the year, 2001
In India, the sex-ratio was 933 in 2001.
2.
3. Density of population is the number of persons per sq. km.
4.
Natural growth rate of population is the difference between birth rate an
the death rate.
C. Answer the following questions very briefly:
7. Why are people considered as a resource?
2. Define sex-ratio.
3. Name the various physical factors which affect the distribution of pe
4. Specify various components included in the composition of popula
5. What is the meaning of population growth?
6. Why the world population has grown?
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