What happens when a certain quantity of pure ice is completely changed to water at 0°C?

a.

Latent heat is absorbed, the mass decreases and the volume increases

b.

Latent heat is absorbed, the mass remains constant and the volume decreases

c.

Latent heat is given out, the mass increases and the volume remains constant

d.

Latent heat is given out, the mass remains constant and the volume decreases