What is the melting point of a substance?
(A) When its temperature changes from a
gas to a liquid.
B When its temperature changes from a
liquid to a solid.
© When its temperature changes from a
liquid to a gas.
D When its temperature changes from a
solid to a liquid.

Respuesta :

Answer:

D.) when its temperature changes from a solid to a liquid

Explanation:

At the melting point the solid and liquid phase exist in equilibrium.

It’s d but I’m not sure