I am not completely sure what this is asking but I believe it would be. That the evidence would be that the fish would be getting less oxygen hence causing noticeable breathing problems (probably best spotted by looking at the lungs).
Answer:
C. Their Parents
Explanation:
In Saudi Arabia, their life styles are
determined by their Parents
The continent name is Africa
I dunno im just trying to get points for my questuon sorry if i got you hyped up but i wish you the best!