Which option correctly identified the two main ways that minerals are classified
a. rarity and use
b. country of origin and use
c. crystal structure and chemical composition
d. use and chemical composition

allowed for the prediction of the properties of missing elements.

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.