Respuesta :
False. Carbon 14 will not be a good means of assigning absolute ages to very old (billions of years or more) igneous rocks.
What is carbon-14 dating?
Certain archeological relics of biological origin can have their age estimated by carbon-14 dating up to 50,000 years old. It is used to date items made relatively recently by human activity, such as bone, fabric, wood, and plant fibers. Every day, a lot of cosmic rays penetrate the earth's atmosphere. For instance, every individual receives roughly 500,000 cosmic rays every hour. It happens frequently that a cosmic ray will strike an atom in the atmosphere, producing an energetic neutron as a secondary cosmic ray. These powerful neutrons will then strike nitrogen atoms.
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