A population growing at a rate of 3.5% per year will double in approximately

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    20 years.
     4 years.
     2 years.
     the number of years cannot be estimated from the data provided.
asked Jun 25, 2012 in Environmental Science by anonymous
    

1 Answer

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20 years.
answered Jun 26, 2012 by Geodude ~Top Expert~ (9,680 points)

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