The word insulate means to protect from heat, cold,...
So when a can is insulated, means that is protected from heat.
So the answer is:
C. stays the same :)))
I hope this is helpful
have a nice day
So to solve this problem, we are going to have to set up a couple unit conversions and then cancel units:

This method can be used to convert between many different units and is a very helpful tool for questions such as these.
Answer: Slow, long lasting, widespread responses
There are not several examples of thermal equilibrium, but only one case: Equal temperature everywhere and constantly along time, with no heat transfer. ... Then, leave the time pass and any inner temperature gradient will disappear by inner heat transfer until temperature is uniform and constant.