A,The most original genius of Incan art can be seen in their: goldsmithing.
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I Believe The Correct Answers Are: A, C, And D.
And That's Your Answer! ;)
Answer:
The theremin is considered to be the first electronic musical instrument ever made, a legendary machine. It is also the only instrument in the world that can be played without needing to be touched! The magnetic field is changed by the varying distances between the two hands.
Explanation:
True they usually have a certain pitch played based on where you hit on the instrument.
