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.
How to Make Dry Ice. Two Methods:Making Dry Ice with Compressed CO2Using Homemade Dry IceCommunity Q&A. Dry ice is the solid form of the chemical carbon dioxide (CO2), just like normal ice is the solid form of water (H2O).