Factors that determine how much water intake is needed on a daily basis include all of the following except? activity level, body composition, gender age.

there are no options provided but you can choose among the following gender-neutral pronouns: zir, hir, eir, vis, tem, eir.

in the normal course of maintaining a pronoun-antecedent agreement, we could have used the words his or her but since we are also required to use gender-neutral language, we need to replace it with its equivalent gender-neutral pronoun.

answer; eliminate parking problems in cities, because a car took up only half as much space as a horse and buggy;