martes, 16 de noviembre de 2010

The Rock Cycle

this topic is very good

thias topic have so much things like what is a mineral a mineral is a rock but not whatever rock i a pure rock they exist other type of rock like the igneus rocks that forms in very very hot places .


 or sedimentary rocks that forms of  pieces of other rocks one more the metamorphic rocks is a rock that forms fromother kind of rock

No hay comentarios:

Publicar un comentario