Chemistry
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What is the best definition of diffusion? A.The exchange of solute molecules across a permeable membrane from areas of high concentration to areas of low concentration B.Random movement of molecules across a concentration gradient until the difference in concentration between two regions is near zero C.Net movement of molecules across a permeable membrane bilayer that requires transport proteins. D.A process in which molecules move across a semipermeable membrane until the number of molecules of water is nearly equal on both sides.

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DebbyMartines270

the action of spreading the light from a light source evenly so as to reduce glare and harsh shadows.

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