Name two good absorbers of sound.

Explanation

To answer the question "Name two good absorbers of sound," we can follow these steps:

### Step 1: Understand Sound Absorption
Sound absorption refers to the ability of a material to absorb sound energy rather than reflecting it. This is important in various applications, such as acoustics in concert halls, recording studios, and reducing noise pollution.

### Step 2: Identify Common Sound Absorbing Materials
There are several materials known for their sound-absorbing properties. Common examples include:
- **Foam**: Acoustic foam panels are widely used in studios and theaters to absorb sound.
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