Cart 0. Crabs, Lobsters, Shrimp, etc. Floating Frame Display Cases. Parotodus Mackerel Shark.
This is the age of reptiles, when dinosaurs ruled the planet.
Geologists use radiometric dating to estimate how long ago rocks formed, and to infer the ages of fossils contained within those rocks. Radioactive elements decay The universe is full of naturally occurring radioactive elements. Radioactive atoms are inherently unstable; over time, radioactive "parent atoms" decay into stable "daughter atoms.
2019 © its-all.info. All Rigths Reserved. All models were 0ver 18 y.o.