What is the definition of the musical term key? ?

A key is a group of notes upon which a scale is based. A key is identified by it's key signature, which shows the number of sharps or flats in the scale. a key is named after it's keynote (the first note in the scale), for example F major's keynote is F.

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.