Most civilizations in China were founded in areas with fresh water and fertile soil. Based on this information, where were most Ancient Chinese civilizations located?

The most ancient China civilization was located with the Yellow River to the north and the Yangtze to the southern.

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.