define of difussion
is the movement of molecules from a region of high concentration to a region of low concentration.
define of osmosis
is the movement of water molecules from a region of low solute concentration to a region of high solute concentration across a semi permeable membrane.
haha ~this is what i learnt from today biology tuition lesson ~xP
i wrote these things at here just because i scare i'll forgot what i learnt today ~hehe
i need to improve all my science subjects ~and also my english standard ~
so ...hope i can do it ^^
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