X1013061838-00163-44894</DOCNO> Metamorphic Rocks Metamorphic Rocks Metamorphic rocks are formed by pressure and heat.
(X1013061838-00163-44894</DOCNO> Metamorphic Rocks Metamorphic Rocks Metamorphic rocks; are formed; by pressure and heat)
X1013061838-00163-44894</DOCNO> Metamorphic Rocks Metamorphic Rocks Metamorphic rocks
are formed
by pressure and heat