A social science that studies how individuals, governments, firms ... An approach to economics that relates supply and demand to an ... The labor market refers to the supply and demand for labor, in ... A market where information is not quickly disclosed to all participants ... An economic theory that outlines how a steady economic growth ... A branch of microeconomics that explores how businesses and institutions ...
Tannis root, with its mystic/magic property and bad smell, is simply a clever plot device used by author Ira Levin to demonstrate the power of the devil worshipers.
In foods and beverages, tannic acid is used as a flavoring agent. In manufacturing, tannic acid is used in ointments and suppositories for the treatment of hemorrhoids; for tanning hides and manufacturing ink; and to kill dust mites on furniture.