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.
This is also his most expensive rookie card. An autographed 1995 Signature Joe DiMaggio Rookie Card, #JD2/#300 and graded PSA/DNA Slabbed can be purchased for about $275 and a rare autographed 1993 Pinnacle Card #4, for about $400. Accomplishments during his professional baseball career are truly unrivaled.