Silicones are also referred to as ............ polymers because they have very high ......... .

Explanation

To answer the question "Silicones are also referred to as ............ polymers because they have very high .........," we will follow these steps:

### Step-by-Step Solution:

1. **Identify the Type of Polymers**:
- Silicones are a class of polymers that contain silicon-oxygen bonds. They are characterized by their unique structure which includes Si-O-Si linkages. These linkages are a defining feature of silicones.

2. **Fill in the First Blank**:
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