Group of stars.
An appositive or appositive phrase renames a noun or pronoun that is right beside, specifically after, it. It is usually used to provide additional information, like a definition or clarification. In this sentence, "group of stars" is defining "constellations" making it the appositive phrase.
1.the heads on Easter island and how they move
2. how the pyramids were built
3. how the temperature of the earth is changing
"Fighting among ourselves" is the choice among the given choices that Kennedy mean by "at odds and <span>split asunder". The correct option among all the options that are given in the question is the second option. I hope that this answer has actually come to your great help.</span>
U got the wrong subject sir