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View Full Version : True or false most of the species that have left earth are now extinct today?

verini
Nov 17, 2011, 05:02 PM
True or false most of the species that have left earth now are now extinct today?
Wondergirl
Nov 17, 2011, 05:47 PM
Left earth to go where?
ScottGem
Nov 17, 2011, 06:07 PM
Think about it. What is the definition of extinct?