1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) a doctor's degree in optometry 2) the cardinal number that is the sum of six and one 3) a public promotion of some product or service DOWN 1) the female reproductive cell; the female gamete 2) engage in 3) a female person who has the same parents as another person ** Scroll down for solution. ** Are you sure you want to peek? ods vii ads