Geologic time for science
the law of superstition allows us to determine
a which rock layers are the oldest
and the relative age of layers of rocks and the fossils in them
and the relative age of layers of rocks and the fossils in them
the earth is about
more than four billion years old
Evidence for past events in Earth’s ancient history are provided by:
rocks and the fossils within them
The divisions of time in the Geologic Time Scale represent:
changes in biodiversity
Radiometric dating allows us to determine
which rock layers are the oldest, the exact or absolute age of rock layers