Explain why knowing and understanding rhythm is important?

What are the two ways in which you can identify forms? cones and spheres are examples of (dark/artifical/geometric) forms, whereas mountains and trees are (natural/organic/light) forms.

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?

How can you open a chest that is beyond, but adjacent to the world border?