Answer:
b. above and to the left
Explanation:
To increase usability, take care to place important content, such as logos, names, CTAs, and major links, above and to the left of potential scroll lines.
I think the Iphone is better the Google Pixels. That's just my opinion but some people like google pixels better.
A, Computer Engineering
1,2, and 4 I believe
I hope that helped :D