The second law states that the total entropy can never decrese over time for an isolated system
There is no sound in space because there is no medium to move it. However i think the big bang can still been seen in the form of background radiation but i am unsure.
Answer:
They become the same exact tempature
Explanation:
Since they got connected it should be the same.
There would be martial law (just elaborate on the definition) and the population would go awry(elaborate on subject)