A or B
If I am incorrect I am extremely sorry.
Good luck on your learning!
The answer is D, Rough endoplasmic reticulum.
Answer:
Negative
Explanation:
As the salt levels get higher, the saltier the inside of the fish get, and the lower the salt levels get. Since the increase in the original thing leads to a decrease in it later, this is a negative feedback loop. Hope this helps!
