Dry ice, sometimes referred to as  cardice  (chiefly British chemists), is the solid form of carbon dioxide. It is used primarily as a cooling agent.Its advantages include lower temperature than that of water ice and not leaving any residue (other than incidental frost from moisture in the atmosphere).It is useful for preserving frozen foods, ice cream, etc., where mechanical cooling is unavailable.t is used primarily as a cooling agent. Its advantages include lower temperature than that of water ice and not leaving any residue (other than incidental frost from moisture in the atmosphere). It is useful for preserving frozen foods, ice cream, etc., where mechanical cooling is unavailable.
Maryland is also called the Old Line State and Free State.The Old Line nickname was given during the Revolutionary War, when 400 soldiers in the First Maryland Regiment fought a British force of 10,000 and helped General George Washington's army to escape.
How did Florida get its name? It got its name by the Spanish words Pascua Florida meaning flowery easter. Juan Ponce De Leon, the Spanish Explorer named it this. florida received its name from when in 15 â¦ 27 DeVaca came over with Narvaez and they were looking for gold, when they just happened to stumble across this beautiful land that was bountiful with plant-life.