The first one because it has “ MY” in it meaning it’s about you.
I introduced MYSELF to MY new colleague.
Answer :
It is devotion and affection i believe
Answer:
It would most likely be the research study.
Explanation:
The study was done with research, while with the people's feelings, that is just an opinion, and the family vacation package is not really a credible source.
An astronomer is to stars as a geologist is to rocks