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.
An autographed 1985 Donruss Kirby Puckett Rookie Card with a mint grade fetches a price as high as $185. Value of Kirby Puckett Rookie Cards. The price of a Kirby Puckett rookie card is determined by a few factors. The condition of the card or cards is vital to its value.