Name four groups of people that are involved in art

In the above painting by salvador dalí, entitled persistence of memory, which of the following objects do not occupy positive space? a. the clocks c. the tree trunk b. the ground d. the cliff select the best answer from the choices provided

In a paragraph of no less than 125 words, explain the single most important factor involved in advancing american classical music in the twentieth century.

What is the best economic system socialism or capitalism