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Challenge Question #7

Melih Onvural (melih@ipass.net)
Wed, 29 Apr 1998 21:05:36 -0700

You can tell that humpback whales reproduce every two years. A worry of =
scienctists may have occured between 1991 and 1998 because Salt didn't =
birth any calves during that time. This could have meant infertility or =
that she'd become single, without a mate.=20

Melih