Answer:
A
oleates
Oils are liquids at room temperature due to the presence of higher percentage of oleates present in the oils which are unsaturated fatty acids and if higher unsaturation is present melting point will be lower.
Arteriosclerosis is a disease where the arterial walls become thickened, lose elasticity, and can restrict blood flow. It is also called hardening of the arteries and usually occurs in older adults.
B. astigmatism is the best answer, it definitely gives distorted images.
Nearsightedness is where you can't see things clearly unless they are really close up to the eyes. Farsightedness is where you can see things better the farther off, but both of those may still leave you seeing blurry. Sclera is just part of they eyeball, the outer white layer.