The correct answer is 12%.
The chemical element carbon-14 is a radioactive isotope that has 6 protons and 8 neutrons. Since it can be found in all organic materials, its primary utility is for dating organic specimens.
This is due to the fact that carbon-14 slowly declines year after year when an organism dies, while carbon dioxide has a life span of between 5000 and 30000 years. Although a mathematical function determines how it diminishes, graphics like the one below can help explain the process.
The graph depicting the carbon content of organic materials in fossils that are 17,000 years old shows that carbon-14 makes up around 12% of the total carbon content.
To learn more about Isotopes of Carbon refer the link:
https://brainly.com/question/4206267
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