If you performed an $\delta$¹³C isotope analysis on an unknown geological sample and determined a negative $\delta$¹³C % value, what would you conclude about the existence of life in that sample and why?

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The Answer of If you performed an $\delta$¹³C isotope analysis on an unknown geological sample and determined a negative $\delta$¹³C % value, what would you conclude about the existence of life in that sample and why?

If You Performed An δ\deltaδ 13C Isotope Analysis on an Unknown Geological Sample and an Unknown

If You Performed An $\delta$ ¹³C Isotope Analysis on an Unknown Geological Sample and an Unknown