Which of the following metamorphic rocks would most likely have formed at the highest temperatures and pressures?

ANSWER:

Gneiss is the metaphoric rocks would most likely have formed at the highest temperatures and pressures.

EXPLANATION:

Gneiss is known as a metaphoric rock which is designed in the shape of sedimentary or igneous rock which have a very high tendency of temperature up to 320 degrees Celsius with high pressure.This kind of rock can withstand a heavy amount of load. Gneiss is a rock which is made out of 6-7 range when measured in Mohs scale.

There is no map, maybe give the link, it may be b

Ansradar; im guessing here; good luck : )