Which of the following statements is true?
A. Musical Instruments are grouped by the wavelengths they produce.
B. Musical Instruments are grouped by what they are made of.
C. Musical Instruments are grouped by their frequency.
D. Musical Instruments are grouped by how they produce pitch.

Relax

Respuesta :

Answer:

Musical instruments are grouped by how they produce the pitch.

Pitch is the highness or lowness of a tone.

Explanation:

:)