B. Abstraction
I think that’s the answer
by calculating the price of all of the materials
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Answer:
The Contralto is the lowest female singing voice and like the Basses and Countertenors, they're quite rare. The Contralto has a tessitura of around an E3-E5 and a good amount of vocal weight. These are the ladies that almost sound like men when they speak or sing lower notes.
Explanation:
