Males are more vulnerable to a variety of disorders, given that their sex chromosomes consist of only one X while females carry two Xs.

Preschoolers' understanding that sugar continues to exist when it is dissolved in water is evidence that they

A) can overcome appearances and think logically in familiar contexts. B) can think logically even about unfamiliar topics. C) are incapable of logical thought, as Piaget asserted. D) do not understand cause-and-effect relationships.

Sustained ________ is the ability to stay focused on a particular task

Fill in the blank with correct word.