A body of gneiss is subjected to heat and forms a melt.Later the melt cools and crystallizes to form a(n)____________.
A)metamorphic rock
B)igneous rock
C)sedimentary rock

Question

Quizplus · Accepted Answer

When a melt cools and crystallizes, it forms an igneous rock. The fact that the rock was originally gneiss and subjected to heat suggests that it underwent metamorphism beforehand. However, the process of melting and solidifying does not involve the deposition and cementation of sediments, which characterizes the formation of sedimentary rocks.

A Body of Gneiss Is Subjected to Heat and Forms