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.
His rookie card values dwarf all other players from the 1990s and make him the undisputed king of 1990s NFL rookie cards. Among Peyton Manning cards, the 1998 Playoff Contenders Rookie Ticket Autograph is also king. A BGS 9 version with a 10 grade for the autograph sold for $11,655.09 in January of 2015.