The oldest POSSIBLE source of biogenic carbon is roughly how old?Group of answer choices4.1 thousand years old4.1 billion years old4.1 million years old4.1 trillion years old

In the process of radiometric dating, if the percent of the original amount of carbon-14 present in a fossil is 12.5%, how old is the fossil? The half-life of carbon-14 is 5,730 years.Multiple choice question.11,460 years old17,190 years old5,700 years old22,920 years old

Which of the following best defines biogenic carbon?

The carbon-14 in the fossil had five half-lives. The fossil was between 18,000 and 21,000 years old.The amount of carbon-14 in the fossil decreased over time.The fossil was older than other fossils found in the same area

Carbon-14 is a radioactive nucleus with a half-life of 5760 years. In livingmatter the amount of carbon-14 decays at a rate of 15.3 decay events perminute per gram of carbon. A fossil is analysed and found to have a carbon-14 decay rate of 7.70 decay events per minute per gram of carbon. How oldis the fossil?

For which could carbon-14 dating be used?Multiple choice question.A)a marble column from ancient ChinaB)dinosaur fossils that are millions of years oldC)rocks that are billions of years oldD)a fragment of wood from a Colonial house