___1. Plate boundaries are the lines at the edges of the different pieces of lithosphere.
___2. Tension zone is formed with two continental plates diverging.
___3. The mid-ocean ridge is formed by the convergence between oceanic plates.
___4. In convergent boundary, oceanic plate sinks because it is denser than the continental plate
___5.Convergent boundary has three types of boundary, namely; Oceanic-continental plate boundary, two oceanic plate boundary and two continental plate boundaries.