The projection speed for sound films was first standardized at

Relativists

a. believe that there is no such thing as objective knowledge and view beliefs, theories, and values as inherently relative, contingent, and contextual b. believe that knowledge is objective, certain, and absolute. c. accept the pluralism of relativism without drawing the relativist conclusion that “anything goes.”

Mexican social realism most often took the form of

a)  murals. b)  sculpture. c)  photography. d)  architecture.