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प्रश्न
Fill in the blank:
Primitive man began existence about ______ million years back.
उत्तर
Primitive man began existence about two million years back.
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संबंधित प्रश्न
State whether the following statement is true or false:
Birth rate is the number of live births per hundred of the population.
Fill in the blank:
______ is the total number of live births per thousand people per year.
Define growth rate of population.
What factors govern the growth of population.
Differentiate: Immigration and Emigration.
True or False:
Growth rate of a population is the difference between the birth rate and death rate.
How will you find out birth rate?
Given below is a set of paired terms. The first pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Death rate : Mortality :: Birth rate : ______.
Distinguish between the following pair:
Natality and Mortality.
