Why did Hockney think that photography was not a good medium (art material) for artists? Help please

Whereas traditional stock agencies showcase the work of professional photographers, anyone can submit to microstock agencies, provided images meet the criteria that the microstock agency has set up. true or false?

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

Northern renaissance artists focused on the? a. underlying musculature b. structure and perspective c. panels d. appearance of the subject answer!