Oils are lipids that contain A) mostly unsaturated fatty
acids

B) many glucose units repeated in a line

C) amino acids

D) mostly saturated fatty acids

A. Mostly unstaurated fatty acids

Explanation:

Fats can be both mostly saturated and unsaturated, though oils typically fall under the description of mostly unsaturated.

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.