The diagram illustrates four changes of state W, X, Y and Z. Which row states the names of these four changes of state?
- AW: condensation, X: boiling, Y: freezing, Z: melting
- BW: condensation, X: boiling, Y: melting, Z: freezing
- CW: boiling, X: condensation, Y: freezing, Z: melting
- DW: boiling, X: condensation, Y: melting, Z: freezing