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.
How long did emmitt smith play for the cowboys? Emmitt Smith was drafted by the Dallas Cowboys in the 1990 National Football League college draft. He played with the team through the 2002 season and remains its all-time lea â¦ ding rusher with 17,162 yards.