Who is believed to have discovered the ratios that enabled Greek theorists to construct a scale?

Encouraged by the philosophes' demand for an art of moral virtue, Greuze and Chardin produced ________ paintings that were among the most popular images of the eighteenth century

A. sacred B. portrait C. genre D. cubist

Who wrote under the pen name George Eliot?

A. Elizabeth Gaskell B. Mary Ann Evans C. George Sand D. Emily Dickinson