The freezing point of water is 0^\circ\text{c}0 ∘ c0, degree, c. scientists use positive numbers to show temperatures above the freezing point of water and negative numbers to show temperatures below the freezing point of water. snowy's dessert cart keeps the ice in their snow cones at a temperature of -15^\circ\text{c}−15 ∘ cminus, 15, degree, c. what does -15^\circ\text{c}−15 ∘ cminus, 15, degree, c represent in this situation?