An antonym would be "Crucial"
It would be A, because Everybody's Welcome is a title, and it acts like a name so it needs capital letters.
It wouldn't be B, because hometown isn't a name but a object/subject.
C, for the same reason as A : Everybody's Welcome is more of a name.
coordinating conjunctions are conjunctions placed between words, phrases, clauses, or sentences of equal rank such as and, but, or. We are looking for the statement that is NOT true.
Answer:
C. They join verbs that are of equal importance.
I guess it would be easier for us to define the disadvanatges if you tell us about the technologies you want to mention. For example, it is hard to think of technology and nature together but even advances like Artificial Intelligence (AI) that could not be further removed from the natural world are helping conservation efforts. Well, at least I tried to answer your question. More help you can get if you check the tips at Prime Writings site. Good luck with it!