Osmosis is a special kind of diffusion'. Comment.

Explanation

**Step-by-Step Solution:**

1. **Define Diffusion:**
- Diffusion is the process where molecules move from an area of high concentration to an area of low concentration. This process occurs without the need for a membrane.

2. **Explain the Characteristics of Diffusion:**
- In diffusion, any type of molecules can move, and it occurs in gases, liquids, and solids. There is no barrier or membrane involved in this process.

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