Answer:
the anser is b great job
Step-by-step explanation:
<span>* carbon-14 levels in a sample are undetectable after approximately nine half-lives.
Nine half-lives pf carbon 14 is 51,570 years.
Source:
https://en.wikipedia.org/wiki/Radiocarbon_dating
</span>
Answer:
10 people,200 dollars. 20 people,400 dollars.100 people,2000 dollars.300 people,6000 dollars.
Answer:
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Step-by-step explanation:
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