Which type of paint is known to change colors quite a bit as it dries, but does not darken with age?

What important change in lighting was introduced to theatres during the reign of melodrama in the 1820s?

a. lowering of the house lights b. electricity c. gaslight d. footlights

Encaustic painting uses _____ as a binder.

a. linseed oil b. wax c. plaster d. polymer e. gum arabic