I believe you should omit Sport because the sentence still makes sense that in Argentina Soccer is everyone's favourite.
Answer:
He told them where the gold was. He ran off while digging up the body. His captor released him while running to see the gold.
Explanation:
It is an exclamatory sentence it should end in (!)
Answer:
I think social media could lead to worse in-person bullying, but only because you would know more about what is happening in someones life and it could lead to jealousy or any number of things. Though, it could also help mitigate bullying in-person because, as bad as it is, people could cyber bully instead.