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Describe your assigned method and how it is used to evaluate geologic time.
My assigned method was Absolute Dating / Numerical Age. Absolute Dating / Numerical Age is the process that assigns a numerical age ( this tells how old a rock or fossil is);to a rock or a fossil using radiometric dating ( the method that uses radioactive decay of certain living- organisms) called radiometric isotopes. Since decay pairs have steady decay rates, they can have a known half life. By comparing parentages or parents isotopes to stable children or daughter isotopes and the decay rate, the age can be determined, usually with minimal error.
I would reduce the words in parentheses to phrases instead of clauses, delete the semicolon before "to a rock," delete the extra spaces after each opening parenthesis, and make sure there's a space after each word, comma, closing parenthesis, and period.
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To use the method of Absolute Dating / Numerical Age to evaluate geologic time, you would need to follow these steps:
1. Identify the rock or fossil that you want to determine the age of. This could be done through fieldwork or by examining samples in a laboratory.
2. Collect samples from the rock or fossil that contain radioactive isotopes. Radioactive isotopes are unstable forms of elements that decay over time at a predictable rate.
3. Measure the ratios of parent isotopes (the radioactive isotopes) to daughter isotopes (the isotopes that are produced as a result of decay) within the samples. This can be done using specialized laboratory techniques such as mass spectrometry or radiometric dating methods.
4. Determine the half-life of the radioactive isotope. The half-life is the time it takes for half of the parent isotopes to decay into daughter isotopes. Different isotopes have different half-lives, so it is important to know the specific isotope being analyzed.
5. Calculate the age of the rock or fossil by comparing the measured ratios of parent and daughter isotopes to the known half-life of the radioactive isotope. This can be done using mathematical equations and models that take into account the decay rates.
6. Consider any potential sources of error or uncertainty in the dating process. Absolute dating methods are generally very accurate, but certain factors such as contamination or incomplete decay can introduce errors into the age estimation.
By following these steps, you can use the method of Absolute Dating / Numerical Age to evaluate geologic time and determine the age of rocks and fossils with a high degree of precision.