The girl has a widow's peak because of her O genes, which are located in chromosomes in her cells' nuclei O hormones, which are passed on from previous generations O nutrition, and indicates her needs are met O environment, in which it is an advantage​

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?