1. The music of the 20th century comprises musical movement with distinctive styles. These are the
and

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The music of the 20th century comprises musical movement with distinctive styles. These are the, , , and .

Impressionism, expressionism, modern nationalism, neoclassicism, avant-garde

Explanation:

Impressionism uses sounds of the environment such as nature sounds, works overlapping different chords, and Claude Debussy is one of its most well-known composers.

Expressionism uses atonality and the twelve-tone scale to emphasize the composer´s emotions. Such is the case of Arnold Schoenberg.

In Neo-classicism, music doesn´t have that focus on emotionality.

Modern nationalism used modern techniques over folk materials.

Avant-Garde music developed as a critic of the conventional musical aesthetic.

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explanation:

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14 chromosomes

explanation:

sperm cells of the russian dwarf hamster contain 14 chromosomes. how many chromosomes are found in a normal body cell of the russian dwarf hamster? a cell with 20 chromosomes undergoes mitosis.