Ameasure of the amount of output produced by a given amount of inputs in a specific period of time is the definition of a) allocation. b) productivity. c) opportunity costs. d) equilibrium price.

What was the aim of impressionist painters? a to portray the lives of the rich, b to express a moment in the lives of ordinary people, c to create formal portraits, d to use classic painting techniques

The __ spread troughout southern africa below the equator during the classical era. a. assyrian empire b. bantu peoples c. axum civilization d. nubian civilization

Whose writings were the source of the idea that people have a right to abolish and replace a government that violates their natural rights?