Because it is comfortable on your window. Leave ir alone.
Nope.
A snail is the animal that can hibernate or sleep for 3 years. Hibernating is one way a snail can live through very dry weather conditions.
the largest snail in the world which is a African giant snail weighs exactly 2 lbs
only if their hungry and its sunny outside
In a snail these openings are outside the shell.
Yes, it is a noun. A snail is a mollusc, and the names of all living things are nouns.
The tree snail.
Are you in a climate which is cool at this time of year? If so, your snail could be hibernating. Otherwise, look up a local snail farm and give them a phone call before you try disturbing your snail. Your local museum should also be able to help, or you can go to one of the comprehensive sites on the net; try this one: http://www.efarmspro.com/snailfarming.php
Yes, a large sprig of Elodea and a snail sealed in a tank will survive for several weeks on a sunny window sill. Just make there is plenty of water and food for the snail.
Snail can clean glass, crab cannot. Crab can lift rocks and eat what is under them, snail cannot.
The Australian Trumpet Syrinx aruanus is the largest living marine snail, weighing up to 18kg or 40 pounds.
The largest snail in Puget Sound is Lewis' moon snail. Its shell can grow to a size of 5.5 inches and when fully extended outside its shell, the moon snail's diameter can be up to 12 inches.