Determine what each point (a to g) represents in the phase diagram shown below:

• A. a. vaporization curve; b. sublimation curve; c. solid; d. gas; e. liquid; f. supercritical fluid; g. triple point
• B. a. fusion curve; b. sublimation curve; c. solid; d. liquid; e. gas; f. triple point; g. supercritical fluid
• C. a. sublimation curve; b. fusion curve; c. liquid; d. solid; e. gas; f. triple point; g. supercritical fluid
• D. a. solid; b. liquid; c. gas; d. fusion curve; e. vaporization curve; f. supercritical fluid; g. triple point
• E. a. fusion curve; b. vaporization curve; c. gas; d. liquid; e. solid; f. triple point; g. supercritical fluid

Answer: (B)