Diego Rivera's fresco murals present a stark and didactic contrast between the debauchery of the rich and the ____________ of the poor, honest peasants

Which of the following is true of spectator attention?

A. It comes more naturally to children. B. It is inefficient by nature. C. It does not allow us to participate in a work of art. D. It enables us to lose ourselves in a work of art.

Which is true when using a high-speed shutter?

A) more light is required B) less light is required C) scenes illuminated with red light are best D) auto-focus must be used E) the subject cannot be moving