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iheartfoodBest ResponseYou've already chosen the best response.0
dw:1353736058670:dw
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.0
A. 9,990 years B. 18,900 years C. 2,100 years D. 1.44 years
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
does it give you a half life?
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.0
i was thinking A. 9900 years is that right??
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.0
so is my answer right?? is it A. 9,900 years??
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
it's about 10,000 years (roughly), so choice A is the closest
 one year ago
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