Typical costs: 1  Replacing aging, leaking or inadequate ductwork typically costs about $35-$55 a linear foot for labor and materials, or $1,000-$5,000 or more for a single-family home, depending on the length and type of ducts used (sheet metal, fiberduct or round flexible ductwork) and local rates.
Not Veterinary Advice: No. A snail is not meant to shed or molt its shell and snails normally will not shed their shells. However, it can happen by accident, which usually leads to the snail dying.It's thought to be possible that some snails could live without their shells, until they form a new one, but this is considered unlikely.Snails are unable to reattach to their shells if they become separated, but it may still be possible for them to use the shell as shelter temporarily.owever, it can happen by accident, which usually leads to the snail dying. It's thought to be possible that some snails could live without their shells, until they form a new one, but this is considered unlikely.
There is a marine predator slug which eats other snails without a tooth in its mouth. There are 43,000 gastropod species on our earth today, measuring between a millimetre and 75 centimetres. Snails not only live on land, but also in freshwater and in the sea.There are colourful sea slugs among them, as well as cowry shells, which have been money in Africa for centuries.The neurobiology of learning was researched using snails.Only a very little part of them is edible or a garden pest.here is a marine predator slug which eats other snails without a tooth in its mouth. There are 43,000 gastropod species on our earth today, measuring between a millimetre and 75 centimetres. Snails not only live on land, but also in freshwater and in the sea.