Question

Describe how activity within the earth results in earthquakes

Answer 1

this is geology not chem! plate tectonics are giant masses of land that are constantly shifting. every plate meets with other adjacent plate tectonics. where they meet, a variety of things can happen, sometimes resulting in earthquakes depending on how the plates interact

Answer 2

plate tectonics within the earth are constantly shifting, and every once in a while the plates collide with one another, causing earthquakes.