Warning:
JavaScript is turned OFF. None of the links on this page will work until it is reactivated.
If you need help turning JavaScript On, click here.
The Concept Map you are trying to access has information related to:
History of the Earth, pp 161-169, Fossils from Animals, History of the Earth is divided into Eras, Records in Rocks such as Layers in Sedimentary Rock, History of the Earth is studied using Radioactive elements, Radioactive elements provide "Atomic Clocks", History of the Earth is divided into Epochs, History of the Earth is studied using Records in Rocks, History of the Earth is studied using Fossils, History of the Earth is divided into Periods, Fossils from Plants