Question

Which of these rocks forms under the MOST extreme conditions of heat and pressure?

Select one:
a. gneiss
b. limestone
c. shale
d. sandstone

Answer 1

It is answer choice A ;)))

Answer 2

Answer: a. Gneiss

Step-by-step explanation:

Gneiss is a most common and widely available rock. This is a kind of metamorphic rock. It is formed under the condition of high temperature and high-pressure. The formation process is initiate through other types of rocks that are igneous or sedimentary rocks.