Geographers work to understand the natural hazards caused by movement of the earth, such as landslides and earthquaks

False.   Geologists, more specifically Geophysicists, study the movement of the Earth and forces that cause the changes.   Geographers study the shapes and contours of land, the natural features on land (rivers, lakes, etc.) and sometimes plant and animal (including human) distributions.

Cultural convergence is the theory that two cultures will be more and more like each other a very notable example of this is around the u.s.-mexico border, where