For items # 16-20, read the situations below. Classify the underlined substances into elements and compounds. Write the word Element if it is an element and Compound if it is a compound. 16. Liza was asked by her mother to buy table salt in a nearby store. 17. Due to COVID-19, we are advised to take ascorbic acid every day to boost our immune system. 18. Do you believe that at the end of a rainbow there's a pot of gold? 19. Most of the food today are fortified with iron and zinc. 20. To enhance the flavor of your favorite food like chips and curls, monosodium glutamate is added.​