A. 1: solid; 2: triple point; 3: gas; 4: liquid
B. 1: solid; 2: gas; 3: triple point; 4: liquid
C. 1:gas; 2: triple point; 3: liquid; 4: solid
D. 1: liquid; 2: gas; 3: triple point; 4: solid

A 1 solid 2 triple point 3 gas 4 liquidB 1 solid 2 gas 3 triple point 4 liquidC 1gas 2 triple point 3 liquid 4 solidD 1 liquid 2 gas 3 triple point 4 solid class=