The most likely answer is that there is more food in salmon A location
Hope this helps!
The fatty acids in the tail of a phospholipid molecule are non-polar and hydrophobic.
Fats that you take in from your food is used to build membranes. Membranes can be represented by models such as The Fluid Mosaic Model, which displays the phospholipid bilayr, and other tissues on the membrane.
Answer: a blacktop highway
The word I think they use is A mass.