Both conflicts are related to confusion over Gogol’s two names.
In the first excerpt it is about how Gogol has two names, Nikhil and Gogol. Gogol is a pet name used by his family while Nikhil is his "good name". Nikhil is his more formal name and should be the one used at school. However, since Gogol was put on his birth certificate, the school must register him using his legal name.
Personification gives human-like characteristics to non-human things. The air doesn't have lungs therefore it can't "breathe". The personification here is simply that the air is being described as breathing.
By introducing Nina to a new way to think about art.
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Answer: “unlikely”
Explanation: subjective language are someone’s beliefs or opinions. Whoever said the above statement said it was unlikely for someone to travel to Mars, which is an opinion because someone else may say it is likely for someone to travel to Mars.