What's metamorphism?
O A. The process by which new
minerals form as a result of
precipitation from an aqueous solution
O B. The process by which new
minerals form as a result of biological
processes in living organisms
O C. The process by which new
minerals form from existing minerals
that become unstable at Earth's
surtace
O D. The process by which new
minerals form from existing minerals as
a result of elevated temperature or
pressure