Describe the structure of the common form of ice.

Explanation

### Step-by-Step Text Solution:

1. **Understanding the Common Form of Ice**:
- The common form of ice that we refer to is the crystalline structure that forms under normal conditions, which is hexagonal in shape.

2. **Hexagonal Structure**:
- Ice crystallizes in a hexagonal lattice. This means that the arrangement of water molecules in ice forms a hexagonal pattern.

...