An earthquake is a sudden shaking of earth's crust caused by the release of
select one:
a. steam from hot springs
b. lava from fissures
c. energy along faults
d. water from geysers

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; you can turn right on a red signal (when posted);

answer; (r/t) reaction time;