The following statements refer to the general properties of a one component (single substance) pressure-temperature phase diagram that you will encounter in this course. Decide if each of the following statements is true or false. Enter the appropriate symbol for each statement: T or F, no spaces, no commas. All five symbols must be correct for credit. A) Lines on phase diagrams separate regions where only single phases are stable. B) A phase diagram may have three or more phases. C) The triple point always occurs at 0 K. D) The melting point depends on the applied pressure.