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.
Entering the NFL in 1998, right before more limited rookie cards became all the rage, most of Manning's first year cards are not as difficult to find or as expensive as one might expect.is most sought after rookie is his 1998 SP Authentic, a card that could top $1000 in book value if he ever adds that elusive Super Bowl ring to his resume. Also of his note is his 1998 Playoff Contenders Ticket #87. Easily his most valuable rookie year offering, it is autographed and numbered to just 200 copies.