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.
The tannic acid or tannin is already present in woods like oak, walnut, and mahogany. Tannic acid can be applied to woods low in tannin so chemical stains that require tannin content will react. Tannic acid is the most common mordant for cellulose fibers such as cotton.