Respuesta :

Because the Earth rotates through two tidal “bulges” every lunar day, coastal areas experience two high and two low tides every 24 hours and 50 minutes.

 
High tides occur 12 hours and 25 minutes apart. It takes six hours and 12.5 minutes for the water at the shore to go from high to low, or from low to high.

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Answer:

(A) About twice a day.

Explanation:

Waterfront neighbourhoods encounter two low tides and two high tides each lunar day, or 24 hours and 50 minutes. The two tidal bumps are created by inertia and gravity which revolve around the Earth as the moons state shifts. These bumps indicate high tides while the smooth sides represent low tides.