AQA GCSE Physical Education · 8582
Paper 1
Revise: Gaseous exchangeA difference in concentration between two areas is called a concentration gradient.
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GCSE Physical Education · key term
A difference in the concentration of a substance between two areas, along which diffusion occurs.
Used by AQA
Paper 1
Revise: Gaseous exchangeA difference in concentration between two areas is called a concentration gradient.
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