Answer:
To help control the disease, letters were cleaned with vinegar before being sent. This did not work, because it was a false cause-and-effect relationship.Explanation:
Piano sonatas were very helpful in the classical genre that was the most important to composers of the classical era.
Answer:
The term is harmony.
Explanation:
The word harmony is used to refer to and order arrangement of voice parts. It can also refer (musically) to the simultaneous mixture of tones, or sounds (especially when blended into musical chord) such that it is pleasing to the ear;
When used as a cooperative expression, it means working together towards a common goal or having congruous relationship with other people.
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