They have very thick fur unlike other wolves that do not have a cold surrounding. So by this fur, they avoid freezing to death.
65* f to 70*f should stay at at least 69* to avoid evaporator freezing
Slightly below the local "frost line", which your local building code or officials can help you with, as it is dependent upon local climate and soils. Likelihood of freezing also depends upon whether the water in the lines is running constantly, the diameter (proportional to surface area) and if they are pressurized, gravity flow, or insulated, among other things.
Remain tied to the dock until you are competent to handle the vessel.
The preheater warms up the engine so it will start easier and in freezing weather will help to avoid freezing of the coolant.
to avoid accident
To avoid freezing of water in their cells.
They avoid predators by running away and going into their burrows.
There are a number of rules that should be followed during fire in a public place. People should avoid running to avoid confusion and should gather in one central place so as to confirm everyone is out among others.
Salt would help to minus the amount of ice.