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.
The LeBron James rookie card is currently valued at $6,679 dollars.  LeBron James made his NBA debut in 2003 with the Cleveland  Cavaliers.n addition, he signed a $90-million contract with Nike that will pay over 7 years ($12.8 million per year). Al â¦ so he makes 240,000 thousand dollars a game. Even when injured or out of the game.