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population forecasts

This topic has 1 member reply
arorag Master | Next Rank: 500 Posts Default Avatar
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population forecasts

Post Sat Jul 12, 2008 8:47 pm
Elapsed Time: 00:00
  • Lap #[LAPCOUNT] ([LAPTIME])
    To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.
    A. have to know a great deal more than now about the social and economic
    B. have to know a great deal more than they do now about the social and economical
    C. would have to know a great deal more than they do now about the social and economical
    D. would have to know a great deal more than they do now about the social and economic
    E. would have to know a great deal more than now about the social and economical

    what is wrong D

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    Vignesh.4384 Master | Next Rank: 500 Posts Default Avatar
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    Post Sat Jul 12, 2008 9:01 pm
    see this link below.
    This question has already been discussed.

    http://www.beatthegmat.com/demographers-t13151.html

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