This is Geology! The equation we use to determine the absolute age of a rock is: Age of rock = (# of elapsed half-lives) x (# of years in a half life) Please answer the following questions in accodance to the decay curve graph below: 1. You are interested in buying a T-Rex fossil from a collector. The collector has paperwork to show the fossil is authentic and radiocarbon dating (which has a half-life of 5,730 years) that puts its age at 92 million years old. Should you buy this fossil? Why or why not? 2. Radiocarbon dating involves the parent isotope carbon-14, with has a half-life of 5,730 years, which decays to the daughter isotope nitrogen-14. How old is an ash sample that has 90% nitrogen-14 in it?
This is Geology!
The equation we use to determine the absolute age of a rock is:
Age of rock = (# of elapsed half-lives) x (# of years in a half life)
Please answer the following questions in accodance to the decay curve graph below:
1. You are interested in buying a T-Rex fossil from a collector. The collector has paperwork to show the fossil is authentic and radiocarbon dating (which has a half-life of 5,730 years) that puts its age at 92 million years old. Should you buy this fossil? Why or why not?
2. Radiocarbon dating involves the parent isotope carbon-14, with has a half-life of 5,730 years, which decays to the daughter isotope nitrogen-14. How old is an ash sample that has 90% nitrogen-14 in it?
The age of rocks or age of fossils can be found out using two main dating methods:
1. Relative dating
2. Absolute dating
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