Direction: In the following passage there are blanks, each of which has been numbered. Choose the correct word from the given options which fits the blank appropriately.

Hundreds of earthquakes ___(1)___ on Earth everyday. Most of them are small, barely ___(2)___ by most people. However, the vast majority of earthquakes occur at the ___(3)___ between tectonic plates. Continental and oceanic ___(4)___ may move toward each other, scrape past each other, or pull apart as they move slowly across the planet's upper mantle. This ___(5)___ of the plates, and the pressure that is built up at the boundaries, can result in earthquakes.