https://padlet.com/304795/wn15oe08nosy Made with wonder en-us 2018-01-23 16:28:57 UTC 2026-01-18 15:37:23 UTC hello@padlet.com 304795 https://padlet.com/304795/wn15oe08nosy/wish/223863030 a system of chronological dating that relates geological strata to time]]> 2018-01-23 16:29:52 UTC https://padlet.com/304795/wn15oe08nosy/wish/223863030 304795 https://padlet.com/304795/wn15oe08nosy/wish/223863054 In geology and related fields, a stratum is a layer of sedimentary rock or soil, or igneous rock]]> 2018-01-23 16:29:54 UTC https://padlet.com/304795/wn15oe08nosy/wish/223863054 304795 https://padlet.com/304795/wn15oe08nosy/wish/223863078 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 16:29:56 UTC https://padlet.com/304795/wn15oe08nosy/wish/223863078 304795 https://padlet.com/304795/wn15oe08nosy/wish/223863095 the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock]]> 2018-01-23 16:29:58 UTC https://padlet.com/304795/wn15oe08nosy/wish/223863095 304795 https://padlet.com/304795/wn15oe08nosy/wish/223863108 the time taken for the radioactivity of a specified isotope to fall to half its original value]]> 2018-01-23 16:29:59 UTC https://padlet.com/304795/wn15oe08nosy/wish/223863108 304795 https://padlet.com/304795/wn15oe08nosy/wish/223863173 a method of dating geological or archeological specimens by determining the relative proportions of particular radioactive isotopes present in a sample]]> 2018-01-23 16:30:03 UTC https://padlet.com/304795/wn15oe08nosy/wish/223863173 304795 https://padlet.com/304795/wn15oe08nosy/wish/223863205 another term for carbon dating

]]> 2018-01-23 16:30:06 UTC https://padlet.com/304795/wn15oe08nosy/wish/223863205 304795 https://padlet.com/304795/wn15oe08nosy/wish/223863225 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]]> 2018-01-23 16:30:08 UTC https://padlet.com/304795/wn15oe08nosy/wish/223863225