https://padlet.com/305132/agws5c0iztn Made with the best of intentions en-us 2018-01-23 17:46:24 UTC 2023-05-31 17:35:31 UTC hello@padlet.com 305132 https://padlet.com/305132/agws5c0iztn/wish/223910698 n geology and related fields, a stratum (plural: strata) is a layer of sedimentary rock or soil, or igneous rock that were formed at the earth's surface, with internally consistent characteristics that distinguish it from other layers.]]> 2018-01-23 17:48:26 UTC https://padlet.com/305132/agws5c0iztn/wish/223910698 305132 https://padlet.com/305132/agws5c0iztn/wish/223912688 an idealized cycle of processes undergone by rocks in the earth's crust, involving igneous intrusion, uplift, erosion, transportation, deposition as sedimentary rock, metamorphism, remelting, and further igneous intrusion]]> 2018-01-23 17:52:11 UTC https://padlet.com/305132/agws5c0iztn/wish/223912688 305132 https://padlet.com/305132/agws5c0iztn/wish/223913496 the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.]]> 2018-01-23 17:53:39 UTC https://padlet.com/305132/agws5c0iztn/wish/223913496 305132 https://padlet.com/305132/agws5c0iztn/wish/223914697 the time taken for the radioactivity of a specified isotope to fall to half its original value.]]> 2018-01-23 17:55:20 UTC https://padlet.com/305132/agws5c0iztn/wish/223914697 305132 https://padlet.com/305132/agws5c0iztn/wish/223915307 a method of dating geological or archeological specimens by determining the relative proportions of particular radioactive isotopes present in a sa]]> 2018-01-23 17:56:27 UTC https://padlet.com/305132/agws5c0iztn/wish/223915307 305132 https://padlet.com/305132/agws5c0iztn/wish/223916550 another term for carbon dating.]]> 2018-01-23 17:58:40 UTC https://padlet.com/305132/agws5c0iztn/wish/223916550 305132 https://padlet.com/305132/agws5c0iztn/wish/223917392 The spontaneous transformation of an unstable atomic nucleus into a lighter one, in which radiation is released in the form of alpha particles, beta particles, gamma rays, and other particles.

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