Here's why:
* Plate Tectonics: The Earth's outer layer (the lithosphere) is broken into large, moving pieces called tectonic plates. These plates interact at their boundaries, causing a variety of geological phenomena.
* Convergent Boundaries: Where plates collide, they can create mountains, volcanoes, earthquakes, and trenches. This is the most active type of boundary, leading to the formation of many landforms.
* Divergent Boundaries: Where plates pull apart, new crust is created, resulting in mid-ocean ridges, rift valleys, and volcanic activity.
* Transform Boundaries: Where plates slide past each other, they cause earthquakes and fault lines.
In summary, the boundaries between tectonic plates are the locations of intense geological activity, shaping the Earth's surface as we know it.