The minimum age to obtain one's driverâs license should not be raised to 18 because 16-year-olds have a much more focused mind. If you change the minimum driving age to 18, it will be very little different from 16-year-olds because either way they wouldn't have very much driving experience.
Snails make their own shells.They make it with a muscle called the mantle.The mantle then releases liquid.When the liquid hardens it forms the shell.Later in the snails life t â¦ he mantle releases more liquid and the shell becomes bigger.
Snails. Snails belong to one of the largest classes of organisms, with over 40,000 recognized species. While the shell itself is the primary means of protection, the snail's ability to adhere to a surface and its production of noxious compounds also discourages predators.nails. Snails belong to one of the largest classes of organisms, with over 40,000 recognized species. While the shell itself is the primary means of protection, the snail's ability to adhere to a surface and its production of noxious compounds also discourages predators.