Answer:
The answer is A
Explanation:
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A. Solfege is the answer. This is the system of do-re-mi-fa-sol... etc.
Neumes are different notes sung on a syllable.
Tritone describes an interval (distance between 2 pitches) of 3 whole steps.
Organum is an early form of heterophony
15+25+35+45=120 120 divide 4 = 30
Answer:
Ellis Island is a historical site that opened in 1892 as an immigration station, a purpose it served for more than 60 years until it closed in 1954. Located at the mouth of Hudson River between New York and New Jersey, Ellis Island saw millions of newly arrived immigrants pass through its doors
Explanation: