Tide-Causing Forces Tides are the periodic variations in sea level caused by the gravitational attraction of the sun and the moon on the Earth.
(Tide-Causing Forces Tides; are; the periodic variations in sea level) (sea level; caused; by the gravitational attraction of the sun and the moon on the Earth)
Tide-Causing Forces Tides sea level
are caused
the periodic variations in sea level
by the gravitational attraction of the sun and the moon on the Earth