What effect does an increase in pressure have on the temperature at which rock melts?
A) We do not know yet-the temperature needed to melt rock has not yet been achieved in the laboratory.
B) An increase of pressure increases the melting temperature.
C) An increase of pressure has no effect on the melting temperature because the melting temperature is independent of pressure.
D) An increase of pressure lowers the melting temperature.
Correct Answer:
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