Cause earthquakes and volcanic activity at fault lines, laccoliths plate tectonics, plate boundaries plate tectonics, the ring of fire heat from earth's mantle, fault lines

The correct answer for the question that is being presented above is this one: "2.) Plate tectonics, plate boundaries ." Plate tectonics cause earthquakes and volcanic activity at plate boundaries.

Here are the following choices:
1.) Fault lines, laccoliths 
2.) Plate tectonics, plate boundaries 
3.) Plate tectonics, the Ring of Fire 
4.) Heat from Earth's mantle, fault lines

Yes that is correct answer in 6