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:
The other name for doldrum is called equatorial calms.
Explanation:
Hope this helps! :)
Shed their leaves during one season
Answer:
The United Nations (UN) is the largest international organization that works for peace.
