radioactive dating वाक्य
उदाहरण वाक्य
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- Radioactive dating techniques have placed these humble stones at 4.5 billion years.
- We can test them with radioactive dating techniques they are a bazillion years old!
- However, this conclusion is unsupported by radioactive dating and sedimentology.
- Radioactive dating techniques have placed these humble stones at 4 . 5 billion years.
- The age of the stone tools was estimated by radioactive dating of fossil corals found closest to them.
- Thus, Arthur Holmes'report concluded that radioactive dating was the only reliable means of pinning down geological time scales.
- The major commercial application of samarium is in samarium-cobalt magnets, which have radioactive dating and an X-ray laser.
- :The most straightforward proof of evolution is simply the discovery of fossils that can be shown by radioactive dating to have a certain age.
- Previous theories had suggested that Tasmania emerged from central Australia as the supercontinents broke apart, but the recent spectroscopic and radioactive dating evidence contradicts this.
- More recently our understanding has been aided by geophysical studies, offshore submersible studies, the advent of radioactive dating, advances in petrology and geochemistry, advanced surveillance and monitoring, and detailed geological studies.
- At present, the main research fields of Atomki are atom-, nuclear-, and particle physics, ion beam analytics, technique of detection and signal processing, environmental analytics, radioactive dating, radiochemistry, and solid state physics.
- But I'd like to see an argument with sledgehammer strokes in which we show that geology, paleontology, radioactive dating, and conventional and molecular taxonomy all come together and show the same time frame over and over.
- Radiocarbon dating measures the ratio of Carbon-14 to Carbon-12, and is " scientifically useful " only over a few thousands of years . " Many other types of radioactive dating exist "-our top-level article is radiometric dating.
- When his son took over the investigations at the institute in the 1930s, he began to focus on the radioactive dating of sediments and forged research collaborations with the scientists at the Institute for Radium Research of Vienna.
- Stages were important in the 19th and early 20th centuries as they were the major tool available for dating and correlating rock units prior to the development of seismology and radioactive dating in the second half of the 20th Century.
- The C-14 levels were pretty constant until we started doing nuclear testing, but you need to be very careful with using any kind of radioactive dating on things after nuclear testing started .-- talk ) 16 : 51, 2 February 2012 ( UTC)
- Human presence in the Mexican region was once thought to date back 40, 000 years based upon what were believed to be ancient human footprints discovered in the Valley of Mexico, but after further investigation using radioactive dating, it appears this is untrue.
- In the West, belief in a flat Earth Earth was further believed to be radioactive dating were discovered in the late 19th and early 20th centuries that a reliable mechanism for determining Earth's age was established, proving the planet to be billions of years old.
- :: For example, the age of the Earth can be found by multiple mechanisms, such as radioactive dating of the oldest rocks, geological means such as the rate of continental drift and the distances covered, and studies of life and the rate of genetic drift . However, there still may be underlying assumptions on which these are all based.
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