Question

which description best exemplifies the theme of movement?
a. mexican workers immigrate to the united states to find jobs.
b. many people in both the united states and mexico speak spanish.
c. san antonio is located along the united states-mexico border.
d. a power plant uses the mississippi river to generate electricity.

Explanation:

The theme of movement in geography refers to the mobility of people, goods, and ideas. Option A shows people (Mexican workers) moving (immigrating) to another country (the United States) for a purpose (finding jobs), which directly relates to the theme of movement. Option B is about cultural similarity (language), Option C is about location (place), and Option D is about human - environment interaction (using a river for electricity generation).

Answer:

A. Mexican workers immigrate to the United States to find jobs.