Question

what is the relative abundance of carbon - 12 in a naturally occurring sample of carbon? 11.11% 50.00% 88.89% 99.99%

Explanation:

Carbon - 12 is the most abundant isotope of carbon in nature. Its relative abundance in a naturally - occurring sample of carbon is approximately 98.93% - 99.03%, which is very close to 99.99% among the given options.

Answer:

D. 99.99%