Choose the correct expression.
A. The process of deposition of steam to ice is endothermic and octane burning in a car is exothermic
B. Both deposition of steam to ice and octane burning in a car are endothermic processes
C. The process of deposition of steam to ice is exothermic and octane burning in a car is endothermic
D. Both deposition of steam to ice and octane burning in a car are exothermic procresses