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To: decimon; StayAt HomeMother; Ernest_at_the_Beach; 1ofmanyfree; 21twelve; 24Karet; 2ndDivisionVet; ...

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Thanks decimon. Loved this:
suggests that the region was once much drier and wetter than it is today
To all -- please ping me to other topics which are appropriate for the GGG list.
GGG managers are SunkenCiv, StayAt HomeMother, and Ernest_at_the_Beach
 

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24 posted on 09/14/2009 7:59:21 AM PDT by SunkenCiv (https://secure.freerepublic.com/donate/__Since Jan 3, 2004__Profile updated Monday, January 12, 2009)
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To: SunkenCiv
Loved this:

suggests that the region was once much drier and wetter than it is today

Elementary, my dear Wetson. "once" is not "at once." The relative drier, or wetter, is to the once is as at once it was either the drier or the wetter. Can no one see this?

28 posted on 09/14/2009 8:09:20 AM PDT by decimon
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 GGG managers are SunkenCiv, StayAt HomeMother & Ernest_at_the_Beach
Just updating the GGG info, not sending a general distribution.
Evolution in Your Face
by Patrick Huyghe
Omni
Lake Victoria, Africa's largest lake, is home to more than 300 species of cichlids. These fish, which are popular in aquariums, are deep-bodied and have one nostril, rather than the usual two, on each side of the head. Seismic profiles and cores of the lake taken by a team headed by Thomas C. Johnson of the University of Minnesota, reveal that the lake dried up completely about 12,400 years ago. This means that the rate of speciation of cichlid fishes has been extremely rapid: something on average of one new species every 40 years!
12,400 years ago? Hydrologic cycle came to a screeching whoa for some reason, hmm, what could it have been?

To all -- please ping me to other topics which are appropriate for the GGG list.


56 posted on 09/21/2012 5:17:19 PM PDT by SunkenCiv (https://secure.freerepublic.com/donate/)
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