Alongitudinal wave such as a sound wave can travel through

answer; i believe its   (india); this is the correct answer; /// good luck

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.

is there a year set? the question is incomplete

answer; taking detailed notes during the interview;