Question

Which must be true for metamorphism to occur?
A) The grain size must become smaller
B) The process must take place underwater
C) The parent rock must be in solid form
D) The parent rock must be igneous

Answer 1

heya !!


here is your answer⬇️⬇️


The parent rock should be i solid form.

option B is the answer

hope my answer helps you

Answer 2

Answer:

The correct answer is C.

The parent rock must be in solid form.

Explanation:

Metamorphism — This is the change of minerals or distinct arrangement of minerals of pre-existing rocks in solid state without melting.

Metamorphism occurs due to :

1) Heat applied on the rocks.

2) Pressure applied on the rocks.

3) Introduction of chemically active fluids.

When Metamorphism occurs the following changes :

1) The chemical components of the rock.

2) Crystal structures of the rocks.