there are three reasons first the wind the rain the magma and the erosions
Volcanic activity millions of years ago
There were no cities millions of years ago.
millions and millions of years ago
it would be around 650 millions of years ago
Pangaea was a large super-continent that existed millions of years ago.
Coal, gas and oil are three forms of non-renewable resources - which, laid down millions of years ago, can't be renewed.
Nothing. While limestone existed millions of years ago there were no people to give it a name.
how were the salt mines formed millions of years ago.
The Great Plains region in North America formed around 25 million years ago during the Paleogene period. The landscape continued to evolve over millions of years due to various geological processes such as glaciation, erosion, and sedimentation.
Millions of years ago .
A salt is the product of a reaction between a base and an acid.
.02 million years ago 2.0x10-8