25 percent

On Fri, Mar 18, 2011 at 7:01 PM, Terry Blanton <hohlr...@gmail.com> wrote:
> Quick, without Google, take a guess what percentage of land on the
> earth is antipodal, ie a line from the land drawn diametrically
> through the earth touches land?
>
> I was surprised at the answer.
>
> T
>
>

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