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.
Cone Snail Shells. All cone snail shells are cone-shaped, but they're found in a wide variety of colors, patterns and designs. They can be large or small, slender or broad. The shell's top can be flat, round or pointed, and the shoulder can be rounded, sloped or squared.The texture varies from smooth to corded, grooved or knobby.ll cone snail shells are cone-shaped, but they're found in a wide variety of colors, patterns and designs. They can be large or small, slender or broad. The shell's top can be flat, round or pointed, and the shoulder can be rounded, sloped or squared. The texture varies from smooth to corded, grooved or knobby.