Reason of population growth, Biology

Some of the reason for increase in population is:

1.         Decline in death for an increase in life expectancy or longevity.

2.         Better medical facilities and health care devices have reduced death rate and raised life expectancy.

3.        Agricultural output has increased many folds which have influence on positive growth rate.

4.        Protection against natural calamities such as floods, earthquakes, epidemics etc have increased many folds.

 

 

Posted Date: 7/11/2012 7:54:34 AM | Location : United States







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