The mood is conveyed by the choice of words as in simple casual speech or difficult, more formal words, the tone of the writers is something to consider also
Really i still have never been there
Answer:
The antonyms you could use are Disappear or Vanish.
I believe you should omit Sport because the sentence still makes sense that in Argentina Soccer is everyone's favourite.
The author is saying that because of humans and the ways they are impacting earth is causing irreparable changes like causing animals to go extinct, etc.
