The answer is B) Limiting factors.
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Explanation:
Radioactive dating works on the principle that a radioactive isotope can decay into the stable daughter nuclei at a constant rate. Geologist generally use the principle for half life. Half life is the time required for half of the radioactive substance to decay. This is constant for a particular element.
I personally believe that earth may not be breathing this far into the future. But, if the world keeps spinning, we may see pollution and fracking. Continents may be broken in pieces.
Answer: mitochondria the powerhouse of the cell
Explanation: