Respuesta :

Answer:

B

Explanation:

Carbon-13 has 7 neutrons

Carbon-14 has 8 neutrons

Answer:

It has 15 different known isotopes, including carbon-13 and carbon-14. Carbon-13 makes up about 1% of all carbon atoms on Earth, while carbon-14 is used in radiocarbon dating because it decays into nitrogen-14 with a half-life of 5730 years.

Explanation:

It's B.

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