Answer:
well
Explanation:
The Grand Canyon contains some of the oldest exposed rock on Earth. The mile-high walls reveal a cross section of Earth's crust going back nearly two billion years. These rock layers have given geologists the opportunity to study evolution through time
you can search the internet about it
“Glaciers not only transport material as they move, but they also sculpt and carve away the land beneath them. A glacier's weight, combined with its gradual movement, can drastically reshape the landscape over hundreds or even thousands of years. The ice erodes the land surface and carries the broken rocks and soil debris far from their original places, resulting in some interesting glacial landforms.” nsidc.org
Magnitude
is the energy released by an earthquake.
Using a Richter Scale. (often)
