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.
1993 SP Derek Jeter Rookie Card. This is the best Derek Jeter rookie card bar none. The 1993 rookie was produced on a silver foil card stock which makes it almost impossible to find in good condition. Cards in Mint 9 condition sell for over $350 while Gem MT 10âs hover over $3000. This is amazing when you consider the age of the card.