What advantages does a widows peak have

A widow's peak is a type of hairline and nothing more, despite a few persistent myths. Folklore would have you believe that a widow's peak forecasts an early widowhood. There's no basis in fact for this myth. In television and movies, the widow's peak tends to be a “bad guy” feature.

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse