Answer:
the Gravitational pull from the moon and the sun create high tides and low tides. spring tides happen when the sun, Earth, and moon are lined up in a row. the spring tides are the highest tides.
Explanation:
the gravitational pull is so strong and the movement from the water creating energy makes the water, i guess you could say have slightly larger air pockets by expanding, makes the water take up more space...
i hope this helps.
(i had to use my big brain power)