“When cells touch, they should stop replicating” is a general way to describe external cell regulation. Explain why it is necessary for cells to have external cell regulation factors.

condensation. good luck!

the elements of art are the visual tools that the artist uses to create a composition. these are line, shape, color, value, form, texture, and space.

the principles of art and design are balance, contrast, emphasis, movement, pattern, rhythm, and unity/variety.