4 types of tides can be observed : - Semi diurnal tides show two cycles a day : two high tides and two low ones, quite alike.
(4 types of tides; can be observed; ) Context(4 types of tides can be observed,List([0, 32))):(- Semi diurnal tides; show; two cycles a day)
4 types of tides can be observed,List([0, 32))
4 types of tides - Semi diurnal tides
can be observed show
two cycles a day