I believe the correct
answer is letters and numbers.
Paul Klee was a Swiss
German avant-garde artist, which individual style was influenced by movements
in art that included Expressionism, Cubism, Abstraction and Surrealism. Klee is
known for frequently using letters and numbers, which he combined with playful
figures of animals or people.
Answer:
2
Explanation:
So "overtone" is an umbrella term, and there are two types of overtones: (1) "harmonic" overtones (which are integer multiples of the fundamental frequency) and (2) overtones that aren't integer multiples of the fundamental frequency (I'll call these disharmonious overtones)