History of Earth & Fossils

Younger rocks lie above older in undisturbed sequences; 'younger over older'

Older rocks are the highest layer of rock. T/F?

Which one is an example of one half life?

The era in which dinosaurs lived

How old is the earth calculated to be?

Fossils in Virginia are from which era?

The current era that we live in

Who are the coolest teachers in the school?

Which statement is NOT an example of relative age?

Evidence of ancient, often extinct life is preserved in what type of rocks?

the absolute age of a sample based on the ratio of parent material to daughter mater

the sequence of of rock layers that contain fossils arranged from oldest to shortest

Process used for radiometric dating

What is the purpose of counting half-lives?

The missing part of a geologic column

Which statement is an example of absolute age