What did the greeks use to establish ideal proportions in the human body architecture and other forms of art a. chiaroscuro b. the rule of thirds c. radial symmetry d. the golden mean

D. The golden mean, most often call it the Golden Section, Golden Ratio, or Golden Mean, but it's also occasionally referred to as the Golden Number.

The region of the united states where beef and hog production is prevalent is the midwestthere are 12 states in this area including  illinois,  indiana,  iowa,  kansas,  michigan,  minnesota,  missouri,nebraska,  north dakota,  ohio,  south dakota, and  wisconsin. all of these states are known for their meat and such products.