[单选题]
10.21: Which terminology is best associated with thepxa,q50 4 braq amount of energy required tqa,q40xp ab5r ) mm p 8n/fdog1c;io;so change the phase of a material per unit / m;8g1co o dnfim);spmass?
A. Thermal conductivity
B. Specific heat
C. Work
D. Latent heat
E. Entropy
