Which characteristics of sound will change if there is a change in
its waveform.

Explanation

To solve the question regarding which characteristics of sound will change if there is a change in its waveform, we can follow these steps:

### Step 1: Understand the Characteristics of Sound
Sound has several characteristics, including:
- **Pitch**: Related to the frequency of the sound wave.
- **Loudness**: Related to the amplitude of the sound wave.
- **Timbre (or Quality)**: Related to the waveform of the sound wave.

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