carbon-14 is not useful for dating fossils because quizlet
{"Image DocumentName": "Carbon-14 Dating Radioactive form of carbon is carbon-14", "Image ImageDescription": "Remember carbon is a building block of life, all plants and animals contain carbon. When an organism dies, carbon decays and turns into nitrogen-14. Scientists measure the amount of carbon-14 left in an organism to determine absolute age. Very useful for dating organisms up to 50,000 years ago but not good for rocks. The half-life of carbon-14 is 5,730 years.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}