HELP
What do you want to know about what makes a civilization?

A civilization is a complex culture in which large numbers of human beings share a number of common elements.

Explanation:

this is the definition

the answer to this question is d

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.