The thermosetting polymer whose one monomer is phenol …………………… is

Explanation

To solve the question regarding the thermosetting polymer whose one monomer is phenol, we can follow these steps:

### Step-by-Step Solution:

1. **Understand Thermosetting Polymers**:
- Thermosetting polymers are a type of polymer that, once set into a given shape, cannot be remolded or reheated to soften. This is due to their cross-linked structure, which makes them hard and durable.

2. **Identify Characteristics**:
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