Question

what word means: the degree of highness or lowness of a tone, the quality of a sound governed by the rate of vibrations producing it.
pitch
melody
timbre
rhythm

Explanation:

To determine the correct term, we analyze each option:

• Pitch is defined as the degree of highness or lowness of a tone, related to the rate of vibrations producing the sound.
• Melody refers to a sequence of musical notes, not the high - low quality of a single tone.
• Timbre is the characteristic quality of a sound that distinguishes different sources, not related to high - low.
• Rhythm is about the pattern of beats and durations in music, not the high - low of a tone.

Answer:

A. Pitch