A. The formation of new democracies after the fall of the Soviet Union
A geochemical cycle that cycles material by mantle convection, subduction, and seafloor spreading
It has gone through four half-lives of carbon-14 (5730 years<span> x 4 = </span>22920 years<span>)
It is 22920 years old.
Hope this helps!</span>
Answer:
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Explanation:
