Respuesta :
The population growth rate (r) for 2009 in the tiny country of fremont is found as 1.4.
Describe the term population growth rate (r)?
- The population growth rate (r) shows how fast a population ages over time.
- A population is growing if the growth rate is positive. A negative growth rate signals a declining trend.
- A birth rate (b) and mortality rate are the two primary elements that influence population increase (d).
- People leaving the population to move to another territory or immigrating from a different region may also have a consequence on population increase (emigration, e).
All these elements are taken into account when formulating the population growth formula.
r = [(b + i) - (d + e)]/1000
- r = population growth rate
- b = birth rate; 2,000
- i = immigration rate; 100
- d = death rate; 500
- e = emigration rate; 200
Put the values in the formula.
r = [(2,000 + 100) - (500 + 200)]/1000
r = 2100 - 700/ 1000
r = 1.4
Thus, the population growth rate (r) for 2009 in the tiny country of fremont is found as 1.4.
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