It causes earthquakes say you had to glass plates you eat from and smash them together and they make a loud sound and brake into each other thats like the diverging plates
Answer:
I think the answer is the 3rd one
The masses are always equal. Since matter can not be created nor destroyed, you will have the same amount of mass as you did before the reaction as you do after.
Oxygen because it is on the left of the periodic table so it has a strong pull.