The event is most likely to happen when K melts. So, option (c) or (iii) is the correct answer.
<h3>Why does it melt in point K?</h3>Melting refers to the transformation of a solid into a liquid when heat is applied. Melting occurs when solid rock in crystalline form is exposed to severe heat, pressure, or both, causing it to change phase into a liquid known as magma.
For more information about the Rock cycle, refer below
