Which parenchymal cell makes the aquatic plants light and buoyant?

Explanation

To answer the question "Which parenchymal cell makes the aquatic plants light and buoyant?", we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Parenchymal Cells**:
- Parenchymal cells are a type of plant tissue that are involved in various functions, including storage, photosynthesis, and tissue repair.

2. **Identifying the Specific Type**:
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