In the population of world, how many persons are added per year
$4.11$ crores
$5.5$ crores
$8$ crores
$10$ crores
It's Obvious
The percentage ratio of natality over mortality is called
The bio-index number means
Average population density on earth is
Generally there was population growth rate increase in India, but in which of the following year there was decrease in population growth rate
India was amongst the first countries in the world to initiate action plans and programmes at national level to attain reproductive health. The programmes called as 'family planning' were initiated in ______ year in India.
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