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To: ProtectOurFreedom
How big do you need for extinction?


34 posted on 07/18/2019 4:54:54 PM PDT by DoodleBob (Gravity's waiting period is about 9.8 m/s^2)
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To: DoodleBob

Thanks for that detailed classification chart. A lot more authoritative than my musings below.


46 posted on 07/18/2019 5:31:51 PM PDT by frank ballenger (End vote fraud,non-citizen voting & leftist media news censorship or we are finished.)
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To: DoodleBob

Interesting chart. 600 meters puts us in Category 9. Yikes.


65 posted on 07/18/2019 6:50:58 PM PDT by ProtectOurFreedom
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