Volume, Duration and Pitch are all characteristics of: a. Sound b. Melody c. Range d. Intervals

The correct answer is a. Sound.<br /><br />Volume, duration, and pitch are all characteristics of sound. Volume refers to the loudness or intensity of a sound, duration refers to the length of time a sound is heard, and pitch refers to the highness or lowness of a sound. These characteristics help us distinguish and identify different sounds.