Answer:
True
Explanation:
Effective Army writing must be understood by the reader in one quick and single read. For that, it must be free of errors in substance, organization, style and correctness. According to this, Army writing must be concise and organized, helping the reader to understand the main point.
Answer: Cowell
Explanation:
The first one who experimented with piano strings and clusters is Henry Cowell.
He was the first one who asked the pianist to manipulate string and then when he discovered the sound.
Before that new sound, he discovered also <u>tone clusters</u>. Tone clusters were achieved by hitting the piano keys with elbows or fists.
