No, if not killed by the crushing, it will dehydrate.
No
No a snail can't live in a snail.
No
Yes, there are types of snail that can live underwater.
"No the snail will not live because it has all of its vital organs inside the shell". Actually a snail can survive a lot. If there is goo and the shell is almost destroyed, its best to put the thing out of its misery. But if the shell is only cracked/chipped, or even has a hole, then the snail will regrow whats needed. Try giving it some green vegetable leaves and a shaded area to recoup, but keep checking on it to see if its okay.
Nerite snails are a type of snail that can live peacefully with betta fish.
love and snuggels
Yes.
in the garden
because snail has a very slow metabolic rate
No, it is not recommended to house a snail with a betta fish as bettas are known to be aggressive and may harm the snail.
Land snails live in ditches.