Question

Question 4 options:

vaporization

freezing

condensation

melting

Answer 1

At section A, the temperature is below 0 C, so the water is frozen. At section C, the temperature is between 0 and 100 C, so the water is liquid. Thus, in the middle, the water must have transitioned from ice to liquid water, a process known as melting.

Answer 2

melting ... and latent heat. phase changes often happen at const temp