Why is diffusion in solids less as compared to the liquids?

Explanation

### Step-by-Step Solution:

1. **Understanding States of Matter**:
- Matter exists in three primary states: solid, liquid, and gas. Each state has distinct characteristics based on the arrangement and movement of particles.

2. **Particle Arrangement in Solids**:
- In solids, particles are closely packed together. This close arrangement results in strong intermolecular forces of attraction between the particles.

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