Question

What do the lines on a phase diagram represent?

A. The lines separate temperature effects from pressure effects.
B. The lines show where a phase change happens to a substance.
C. The lines distinguish between different molecules being
compared
D. The lines form boundaries between the molecular state and the
ionic state.

Answer 1

Answer: B. The lines show where a phase change happens to a substance

Step-by-step explanation:

A P E X

Answer 2

B. The lines show where a phase change happens to a substance