Most geologic activity takes place at

Most of the geologic activity happens at the boundaries between tectonic plates where two plates meet. This activity occurs as plates interact, such as volcanoes, earthquakes, and mountain building. Geographies that form at a plate boundary are determine by the direction of plate motion and by the type of crust at the boundary. 

Moreover, plate boundaries has three types namely; divergent plate boundaries where the two plates move away from each other, then convergent plate boundaries, here the two plates move towards each other and lastly, transform plate boundaries, in which the two plates slip past each other.

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