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प्रश्न
Give Reasons: Medical discoveries such as antibiotics and vaccinations have indirectly contributed to the sharp rise in human population in the present century.
उत्तर
Medical discoveries such as antibiotics and vaccinations have resulted in the decrease of death rate resulting in a corresponding rise in growth rate which leads to an increase in population.
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संबंधित प्रश्न
Birth rate (natality) is the number of live births per hundred people of population per decade.
Define the following:
Birth control
Give the appropriate term for the following:
Death rate.
Why is a census important?
Explain the Terms: Death rate
True or False:
Growth rate of a population is the difference between the birth rate and death rate.
Birth rate is the number of live births per thousand persons in ______.
Give the technical terms for the following:
Number of deaths per 1000 people per year.
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 : ______.
Define the following term:
Population density
