1.Convergent boundaries: When two plates collide, one plate may be forced under the other in a process called subduction. This can occur when one plate is oceanic and the other is continental, or when two oceanic plates collide. Subduction can cause mountain building, earthquakes, and volcanic eruptions.

2.Divergent boundaries: When two plates move away from each other, new crust is formed in the space between them. This process is called seafloor spreading. Seafloor spreading occurs at mid-ocean ridges, which are underwater mountain ranges that run through the oceans.

3.Transform boundaries: When two plates slide past each other horizontally, a transform boundary is formed. Transform boundaries can cause earthquakes, but they do not typically result in mountain building or volcanic eruptions. The San Andreas Fault in California is an example of a transform boundary.

These are just a few of the ways in which Earth's plates interact. The interactions between plates are responsible for many of the features that we see on Earth's surface, including mountains, volcanoes, and ocean basins.