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प्रश्न
Distinguish between:
Birth rate and death rate.
अंतर स्पष्ट करें
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उत्तर
| Birth Rate | Death Rate |
| It is the number of live births per thousand of the population during a year for a particular region. | It is the number of deaths per thousand of the population during a year for a particular region. |
| It is calculated using the following formula: CBR = Bi/P x lOOO Here, CBR = crude birth rate, Bi = Number of live births in a year, P = the estimated midyear population of that year. |
It is calculated using the following formula: CDR= D/P x lOOO Here, CDR = crude death rate, D = Number of deaths in a year, P = the estimated midyear population of that year. |
| If the birth rate is more than the death rate, it results in positive growth of the population. | If the death rate is more than the birth rate, it results in negative growth of the population. |
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अध्याय 2: The World Population - Distribution, Density and Growth - Exercises [पृष्ठ १२]
