Land snails and slugs produce mucus, but so does every other kind of gastropod, from marine, freshwater and terrestrial habitats. The reproductive system of gastropods also produces mucus internally from special glands.
Dry ice was discovered rather than invented. It was first discovered by Charles Thilorier a French chemist in 1834. Check link below for more information on dry ice and dry i â¦ ce makers.
Dry ice is also sometimes referred to as âcardiceâ or âcard iceâ. Dry ice is a solid form of carbon dioxide.Dry ice is used as a cooling agent. Because dry ice does not melt into a watery mess, but vanishes âinto thin airâ, many think that this convenience outweighs the expense. Dry ice, on average, costs roughly $.60 a pound.ry ice is used as a cooling agent. Because dry ice does not melt into a watery mess, but vanishes âinto thin airâ, many think that this convenience outweighs the expense. Dry ice, on average, costs roughly $.60 a pound.