[thirty] In particular, xenon is helpful for calculations of water decline after some time. Not simply could it be a noble gasoline (and for that reason is just not removed from the environment through chemical reactions with other factors), but comparisons involving the abundances of its 9 secure isotopes in https://kevalaniru.com/boxed-aqua-kids-indias-first-natural-mineral-water-designed-for-childrens-hydration/