After building a canvas and before painting it, a painter generally applies a coat of what

Oliver is out on location for a photo shoot. he prefers working with natural light. he has, however, realized that direct light is falling on the subject. how can oliver soften the natural light?

Albrecht durer, henri de toulouse-lautrec, and andy warhol used different techniques and process to get different effects in their prints. which print was made using lithography?

What are two forms of visual arts? describe each.