It is the inherent quality of matter tom expand on being heated.

A. eternal

B. hidden

C. internal

D. natural

Answer: Option D

Solution(By Examveda Team)

Eternal : lasting or existing forever; without end.
Hidden : kept out of sight; concealed.
Internal : of or situated on the inside.
Natural : (of a person) having an innate skill or quality.
Inherent : existing in something as a permanent, essential, or characteristic attribute.

Synonym of Inherent is Natural