The answer is most likely: common ancestor.
I think number 2 means that minerals are taken up with the water.
Sex linked disorders are heritable characteristic carried by a sex chromosome.
This is due to the characteristic of specificity of the enzyme. Enzymes have active sites that only bind particular substrates which they catalyze. This is because the shape of the active site is complementary to that of the substrate (like lock and key).
In this vague question, the answer is a psychological process.
In person 3, the individual undergoes a traumatic fragment of events that leads to a blind conclusive happenings in the matter of the person. Here, you'll observe that the behavior the individual is eliciting is an arising wariness of different warning signs to seek therapy.