Answer the following questions.
Sounds which are unpleasant or disturbing to the ears.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term used to describe sounds that are unpleasant or disturbing to the ears.

2. **Identifying the Term**: The term used for such sounds is "noise".

3. **Characteristics of Noise**: Noise is characterized by being unpleasant and often painful to hear. It can cause discomfort and can be difficult to tolerate.

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