music: 80's Chart Toppers: Name The Artist: The Promise?

Questions

What did one of the earliest mixtures of toothpaste consist of?

What is the term given for patients who are given medications with no active ingredients & they swear the medication did them some good?

What did the Egyptian bakers use to knead dough in 4000 bc?

What does the French word Hourderve translate to in English?

What is the most nutritious food in the world?