Tectonic plates
If two plates were to collide they would either go up over the surface and form a volcano, or they would collide and go downward forming a trench or a large crevice.
seven plates
There are 12 major plates.
Earth's lithosphere is broken up into 15 tectonic plates.
The four plates that make up the Mid Atlantic ridge are the North and South American Plates, the Eurasian plate, and the African Plate.
It is make up of Granite.
The lithosphere.
They are known as tectonic plates from the Greek word for carpenter.
c plates- bedrock and granite o plates- bastlic
The bony plates that make up a starfish's skeleton is the ossicles. They are found in not only starfish but sea cucumbers and sea urchins also.
"plates" are the term for the giant sheets of rock on the earths crust