D.) I closed the door because it's freezing in here.
The correct way is
You’re welcome.
Monotone is possibly the answer
In medias res
It literally translates into "In the middle of things"
Explanation: Answer: nuclear reactions
Both fission and fusion are nuclear reactions that produce energy, but the applications are not the same. Fission is the splitting of a heavy, unstable nucleus into two lighter nuclei, and fusion is the process where two light nuclei combine together releasing vast amounts of energy