The correct answer should be A. environmental
Food variety is based on the location of the place. Before the discovery of the new world, nobody could eat corn or potatoes in Europe.
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<h2>C. Piano Concerto</h2>
A piano concerto is a type of concerto, a solo composition in the classical music genre which is composed for a piano player, which is typically accompanied by an orchestra or other large ensemble. ... Keyboard concertos are also written by contemporary classical music composers.
Explanation:
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