Question

supply chain questions - due tomorrow!! propylene glycol helps retain water in toothpastes. what else is it used for? a. motorboat fuel b. aquarium cleaner c. sanitizing surgical tools d. deice the wings of airplanes

Explanation:

Propylene glycol is used as a de - icing fluid for the wings of airplanes due to its ability to lower the freezing point of water. It is not used as motorboat fuel, aquarium cleaner, or for sanitizing surgical tools.

Answer:

D. deice the wings of airplanes