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.
== Reggie Jackson signed Rookie card == A 1969 Topps Reggie Jackson Rookie card number 260 has a book value of about $300.00 unsigned in near/mint -mint condition. Professionally graded cards will sell for more. Condition is important. A Reggie Jackson signed baseball card is worth between $35. -$75. Prices may vary based on condition, and the type of authenticity that accompanies the signature. Signatures that have not been authenticated could sell at half the market value or less.