Dating dictionary definition
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Rocks as well as fossil plants and animals can be dated by this process. It has given paleontologists a person specializing in the study of fossils as well as geologists a person specializing in the study of the origin, history, and structure of Earth a powerful way of dating ancient objects. Until the discovery of radioactive datingscientists had no way of approximating how old any part of Earth was. Once the principle behind this method was discovered, however, it became possible to gather reliable information about the age of Earth and its rocks and fossils.
Radioactive dating was not possible untilwhen the radioactive properties of uranium a radioactive metallic element were discovered by French physicist a person specializing in the study of energy and matterAntoine Henri Becquerel — When a substance is described as radioactive, it means that at the subatomic relating to parts of an atom level, some parts of it are unstable.
When a substance Daring described as unstable, it means that it has a tendency to break down or decay. During this decay, dictionarj Dating dictionary definition actually changes Dating dictionary definition another and radiation is released. As long ago asthe American chemist Bertram B. Boltwood ddictionary suggested that knowledge of radioactivity might be used to determine the age of Earth's crust. He suggested this because he knew that the end product of the decay of uranium was a form of lead. Since each radioactive element decays at a known rate, it can be thought of as a ticking clock.
Boltwood explained that by studying a rock containing uranium, its age could be determined by measuring its amounts of uranium and lead. The more lead the rock contained, the older it was. Although this was a major breakthrough, Boltwood's dating method made it possible to date only the oldest rocks.
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