A student concludes, "The transition zone is where minerals change from peridotite in the upper mantle to higher-pressure minerals by reconfiguration of atoms." Evaluate this statement
A) It is true.
B) It is false. The transition zone is a place where mineral composition changes completely.
C) It is false. The transition zone is a place of higher density and pressure that interrupts the velocity of seismic waves.
D) It is true, except the minerals change from basalt to peridotite.
Answer: A
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