In the timelapse between leaving the popsicle and returning to it in the duration of two hours, Sam will discover that the popsicle has lost it’s cold exterior to nonetheless the surroundings. The coldness of the popsicle from the freezer will dissipate to its surroundings and therefore inevitably melt a bit depending on the room temperature. The heat of the room transfers to the popsicle, causing condensation.
What polar bears do to keep their temperature at a steady pace in cold temperatures is that they eat enough food to have a steady source and supply/constant amount of fat. Fat acts as an insulating agent and bears have plenty of it. This also explain why a lot of other animals who live in very cold climates have a lot of fat on their bodies.
Answer:
controlled experiments ( third choice)
I don't understand the question.... Can you rephrase it?