Fast growing Salmon to me would be a freak of nature. Most likley some idiot put some steriods in the ocean, but also must mean something is happening with where they live and they are trying to adapt to what has happened.
I think all besides the second to last and the second maybe
(What I think is the) answer:
How someone talks of something through their perspective.
Explanation:
With a colleague (workplace mate) you'd talk from a professional standpoint but if you were to talk with a friend you'd speak more casually about stuff.
Answer:
The unique characteristics of this form of writing is that it takes the reader on a journey through the various stages of exploration that the writer experiences. For instance, in finding out information on a topic the writer would explain to the reader why he chose one resource over that one and so on.
Explanation: