Select the correct answer from each drop-down menu.

the graph shows the heating curve of a chemical substance as it undergoes state changes from solid to liquid to gas. analyze the curve, and answer the questions.

the substance is entirely solid between positions,
a and b
b and c
c and d
d and e
e and f

particles of the substance are in the liquid state and are gaining kinetic energy between positions,
a and b
b and c
c and d
d and e
e and f