It is person vs person as it is 2 people
A. How fast does light move at different points in a black hole?
Try a job that compare to what you like to do like I like to write so I would choose a job were I can write books etc. I would choose it because it’s something I like to do and it would give me expired to see if this jobs is something I want to do for a living.
3rd one is the correct one
I mean in my opinion hurled is more strongly used instead or tossed