No with my research i see no they do not die without water
Yes, if it gets to hot they will die.
No a turtle is a Reptile, because amphibians have smooth skin and cannot be found without water because they would dry up and die.
A snapping turtle will occasionally come out of the water to bask in the sunlight for an hour or so. Female snapping turtles come out of the water to dig a hole and lay her eggs. She may be out of the water for up to five days.
no it can't
It will die
Turtle eggs cannot stay in the water for more than 48 hours after they are laid or they will die.
Yes
Yes
Yes.
Yes, it is like a second skin!
If snapping turtles have salt the tongue of the snapping turtle will dry out and the turtle will have no interest to eat.
Yes, while he can live under water, he does need to surface to breath.
You must have a lid on an aquarium holding a snapping turtle and an open area between the lid and the water surface to allow it to breathe.