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PLEASE HELP!! I WILL RATE BRAINLIEST!!!! THIS IS FOR 25 POINTS

High tide are experienced 12 hours apart for a certain coastline. Which of the following best explains the reason for this phenomenon?

The coastline experiences tidal bulge twice a day.
The coastline experiences tidal bulge once a day
. The coastline comes in a straight line with the moon once.
The coastline becomes 90 degress with the moon twice.