Question

During which period is the substance changing state?

A. During the time labeled C, when the temperature increases
sharply.
B. During the time labeled E, when the temperature increases for a
third time.
C. During the time labeled A, when the temperature first starts to
increase.
D. During the time labeled D, when the temperature stays the same​

Answer 1

A. During the time labeled C, when the temperature increases

Step-by-step explanation:

Answer 2

i guess d:

Step-by-step explanation: