When the asteroid hit the planet and created equatos.
Geological Time Scale
A scale used by scientists that help record the earth's timing . And the relationships but also they are
recording what happened to the earth over the years.
layers of earth
Layers of the Earth The layers of the earth are physically and
chemically different,the earth has muptial layers like the crust
,mantle, tection plates ,outer core ,inner core.
Stratigraphy
he study of the rocks layers.
Fossil Record
The recording of fossils over
time. And how they are
decaying and how they fade
away after time.
Absolute Dating
Absolute dating is a radioactive minerals
in rocks and the atoms of some of the
elements have different forms so it breaks
down and is call radioactive decay