Good one in the Year 5008 , yes not 2008 but 5008 , a little girl asked her father - " Dad who were stock brokers ?" Dad replied " some 3000 years ago these were human like creatures , they were so many and suddenly some kind of environmental change happened ,their fossils are found with some numbers with graphs, marking 21000 and then 9000 .
Scientist interpret differently ,some says it may be temprature changes , some says it may be density of the gas they use to inhale for living dropped below 9000 from 21000.
Nobody has a clear view on why they slowly extinct. |
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