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Diffusion - Wikipedia
Diffusion - Definition, Examples and Types | Biology Dictionary
What Is Diffusion? - Definition, Types & Examples Of Diffusion
Diffusion | Definition & Examples | Britannica
Diffusion: Definition and How Does it Occur (with Diagram)
Diffusion - Definition and Examples - Biology Online Dictionary
Diffusion Definition & Meaning - Merriam-Webster
What is Diffusion in Biology? - Types and Examples of Diffusion
Diffusion - Simple English Wikipedia, the free encyclopedia
What is the process of diffusion? - BBC Bitesize