A - may include physical intimacy
B- involves people who are related by marriage or adoption
<span>A characteristic shared by enzymes, hormones, and antibodies is that their function is determined by the shape of their molecules.</span>
Well the most appropriate answer is C, the skin layer is a layer of cells. These layers are constantly subject to the UV spectrum in which causes DNA thimer dimerisation to occur. This leads to DNA damage and thus cancer.
I guess D makes sense in that some chemicals cannot be absorbed (charged chemicals)
