the arrival of an air mass a severe earthquake a high ocean tide an eclipse of the Moon
I gave my students this multiple choice question: A sudden change in the weather at a certain location is most likely caused by

Only one answer is correct among these 4 choices:
- the arrival of an air mass
- a severe earthquake
- a high ocean tide
- an eclipse of the Moon

Could you tell me which one is correct?

the arrival of an air mass