Question

supply chain questions - due tomorrow!! toothpaste requires an abrasive. some brands use ______, a compound that is also used to make chalkboard chalk. a. carrageenan b. calcium carbonate c. fluoride d. xylitol

Explanation:

Carrageenan is a thickening agent, fluoride is for cavity - prevention, xylitol is a sweetener. Calcium carbonate is an abrasive used in toothpaste and also in chalkboard chalk.

Answer:

B. calcium carbonate