Early geologists were only able to place rocks in their proper order of formation based on their layering. this is called a) relative dating. b) radiometric dating. c) principle of faunal succession. d) principle of original horizontality.

Match each term to its scientific definition. a)natural world b)scientific method c)theory 1) everything that can be observed or explained scientifically 2) a well-supported explanation of all the evidence related to a natural phenomenon 3) the procedure of scientific inquiry used to investigate natural phenomena