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Natural Sciences -> Geology and paleontology
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How accurate is carbon dating and how do scientists know it works?
Carbon dating is pretty accurate! Scientists use it to figure out how old things are, like fossils or ancient artifacts. Here's how it works:
All living things, like plants and animals, have carbon in them. Carbon is a type of element that is really important for life. When a living thing dies, the carbon in its body starts to break down. Over time, the carbon turns into something else called nitrogen.
Scientists know how long it takes for carbon to turn into nitrogen. They also know how much carbon was in a living thing to begin with. So, if they find a fossil or artifact and they want to figure out how old it is, they can measure how much carbon is left in it. Then they can compare it to how much carbon they think was originally there, and figure out how long ago the living thing died.
But sometimes, things can mess with the accuracy of carbon dating. For example, if a fossil or artifact was in a place where there was a lot of carbon in the air (like near a volcano), the carbon in it might have gotten mixed up with other carbon and messed up the dating. So scientists have to be really careful when they're using carbon dating to figure out how old something is.
Overall, carbon dating is a really cool tool that scientists use to help us understand more about the past!
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