the movement of molecules of a particular substance from regions of high concentration to regions of low concentration of that substance, i.e. down a CONCENTRATION GRADIENT. The rate of diffusion in gases is much greater than in liquids, due to differences in their molecular structure.
1990 Score Supplemental Emmitt Smith rookie card. This is Emmitt Smithâs best rookie card. You can find these football cards on Ebay in Gem MT 10 condition for about $300-$350. These cards are condition sensitive due to the colored border. A great card and a great investment.
Emmitt Smith autographed Dallas Cowboys 8x10 photo Emmitt Smith autographed Dallas Cowboys 8x10 photo card Irv Smith New Orleans Saints certified autograph 1994 Pro Line card Jimmy Smith certified autograph Jacksonville Jaguars Topps card Kevin Smith autographed Dallas Cowboys 1992 Pro Line Rookie Gold card