At low pressures and in the absence of water, rhyolites and granites begin to melt at about ________.

Question

Question: At low pressures and in the absence of water, rhyolites and granites begin to melt at about ________.

Options:

1.  300°C
2.  500°F
3.  800°C
4.  6000°F

Answer 1

3.  800°C

At low pressures and in the absence of water, rhyolites and granites begin to melt at about 800°C.