Choose all that apply. two things societies with iron technology developed socially are less of a need for social classes divisions of labor hierarchical social classes iron lungs

The right answer for this question is "hierarchical social classes and divisions of labor”, principally presented during the Industrial Revolution. Hierarchical social classes refer to a division of the society based on the differences of income and richness of the individuals. Divisions of labor is the number of different jobs in which the work needed is divided for the production of a good or service, jobs that have to be done by specified workers in that area.

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.

chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.