Tides are the cycle of rising and falling ocean water that repeats approximately

tides are the cycle of rising and falling ocean water that repeats approximately. ... Tides are caused mainly by differences in how much gravity from the moon and the sun pulls on different parts of the earth.

Twice every day.

Explanation: The sun, but primarily the moon pull at the water, causing tides. the day and night cycle, and position of the earth/season will effect this.

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