The difference between tropical and temperate climates is mainly the result of

The difference between tropical and temperate climates is mainly the result of their geographic location.

Tropical region generally has always the temperature 65 degree F or above being typically located close to earth's equator. For example, Hawaii and Florida.

Intemperate region, there is variation in temperature but not extreme of cold or hot.  Temperate regions are located midway between equator and pole. For example, San Francisco and Atlanta.

Read more on -

There geographical location and rotation effect of earth on its axis.

Explanation:

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.