Which two processes are most likely to be involved in the formation of
igneous rock?
A. Deeply buried sedimentary rock melts.
B. Magma cools as it rises to the surface.
C. Water is squeezed out from sediment particles.
D. A parent rock is changed by heat and pressure.
Igneous rocks may form with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.
