Fibre
is an ____ and ____ solid

Explanation

To answer the question "Fibre is an ____ and ____ solid," we need to identify the characteristics of fibers based on their properties.

### Step-by-Step Solution:

1. **Understanding Fibers**:
- Fibers are long strands of molecules that are interwoven to form a linear string-like structure. They can be either natural (derived from plants and animals) or man-made (synthetic).

2. **Properties of Fibers**:
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