Diffusion
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Example:
Imagine you're at a crowded party, trying to move from a packed room to a quieter space. Just as you naturally drift towards the less crowded area to find more space and comfort, molecules in diffusion move from regions of high density to areas of lower density. In this analogy, the crowded room represents a high concentration of molecules, and the quieter space symbolizes a region of lower concentration, illustrating how molecules spread out to achieve balance and ease, much like how you seek comfort in a less crowded area.

Practice Version

Diffusion: The movement of molecules from an area of higher density to an area of lower density. Diffusion. It is the natural spreading out of particles from crowded areas to less crowded ones.