Answer: The sun
Explanation: "The" article is always used on celestial bodies for example: the earth, the moon etc.
Yes it is okay as long as you give credit to that person
You cannot believe my new boss, her hair is untidy and apperance is very unprofessional
The correct answer would be "a system in which some wolves in a pack are more powerful. . ."
According to article, there are some wolves in packs that hold more power than others. That creates a wolf hierarchy, that makes sure no havoc is taking place within the group, and everything goes smoothly.