North America has been moving northward from Africa for the last 200 to 130 million years ago.
Accroding to this lab, what was the inferred motion of North America relative to Africa that occurred 200 to 130 million years ago?
4600
It has moved North of it
It has moved North of it
He sold a large portion of central North America to President Jefferson for $15 million.
a few
Stiffer mantle.
Stiffer mantle.
Clost to the Equator
5000*C and 1.5 million atmospheres
Stiffer mantle.
The solar system is believed to be 4,568 million years old.