Rocks change during metamorphism because the minerals need to be stable under the new temperature and pressure conditions. While metamorphic rocks are forming, the extreme heat changes the size and shape of the mineral grains in the rock. Which statement describes the effect of the conditions described in this passage?

A. The need for stability may cause the structure of minerals to rearrange and form
new minerals
B. Great pressure from tectonic plate collisions can change rock into metamorphic
rock
C. The high temperatures of the magma can change nearby rock into metamorphic
rock
D. Metamorphic rocks are classified according to the arrangement of the grains in
their makeup
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