What is artificial silk or rayon? Give an example.

Explanation

### Step-by-Step Solution:

1. **Definition of Artificial Silk (Rayon)**:
- Artificial silk, commonly known as rayon, is a synthetic fiber that mimics the properties of natural silk. It is not derived from silkworms like natural silk but is manufactured from regenerated cellulose.

2. **Characteristics of Rayon**:
- Rayon possesses several characteristics similar to silk:
- **Softness**: It is soft to the touch, making it comfortable to wear.
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