Which of the following event would most likely produce an earthquack

{Hello Kirito here! MY answer would be:} (cause i dont have the other answers like a b or c i am giving another answer)

Earthquakes are usually caused when rock underground suddenly breaks along a fault. This sudden release of energy causes the seismic waves that make the ground shake. When two blocks of rock or two plates are rubbing against each other, they stick a little. ... When the rocks break, the earthquake occur.

Explanation:

{Give other person brainliest they answerd first and there answer might be more correct than mine.}

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.