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re: Humans may not be from earth- an ecologist defends his controversial claim
Posted on 6/21/16 at 8:40 am to EvrybodysAllAmerican
Posted on 6/21/16 at 8:40 am to EvrybodysAllAmerican
quote:
Much less protection from the sun decreased life expectancy.
How often does every cell in the body get replaced?
1
Posted on 6/21/16 at 10:04 am to notsince98
quote:
How often does every cell in the body get replaced?
Every 7 years.
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