Dating website terminology

Electron-capture decay The only type of radioactive decay that requires the presence of something — an electron — outside the atom's nucleus.Electron capture decay of light atoms — those having the fewest electrons — can be very slightly affected by extremely high pressures or certain chemical bonds, so as to change their half-lives by a fraction of a percent.They are stopped by the earth's atmosphere, but in the process, they constantly produce carbon-14, beryllium-10, chlorine-36, and a few other radioactive isotopes in small quantities. Carbon-14 is said to be cosmogenic because it is produced by cosmic rays.

Closed system A system (rock, planet, etc.) which has no influence or exchange with the outside world.Plentyoffish dating forums are a place to meet singles and get dating advice or share dating experiences etc.Hopefully you will all have fun meeting singles and try out this online dating thing...During the time the planet was formed, but conditions were unsuitable for life. ; A sample of ice taken from glaciers or other accumulations, often showing seasonal layering.[den., science] Ice cores can be dated by multiple independent means, with the oldest published date of 140,000 ± 15,000 years for the Vostok core from Antarctica. The other two types of rock are sedimentary, formed by the cementing together of soil or sand, and metamorphic rocks reformed by heat over long periods of time.

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