It is b) angle B.
The opposite angles of opposite sides are proportional to each other. So the smallest side’s opposite angle will be the smallest angle, and in this case, since the largest side is 12, the opposite angle, B, will be the largest angle.
Also, make sure to check to see if the question is the right subject, hope this helps
The term for blue skin caused by lack of oxygen is cyanosis. One is said to be cyanotic when presenting with this discoloration.
Would it be its beak? It's hard and protective like scales
Carbon dioxide is the compound in photosynthesis, I'm pretty sure