penguins don't breathe water, so yeah, as long as the environment fits there needs and food supply is met.
Yes it can survive in freshwater.
Yes penguins have an organ above their eyes that changes seawater to freshwater.
There are no penguins in the Arctic only the Antarctic!
There are freshwater trout. For them it's no problem.
its fur
they do not
no
none of them
that they have no problem to survive
No.
They don't. Penguins inhabit the southern hemisphere.
It is 0% since all penguins ultimately die.