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Question
question 1 (1 point)
why do the waters of the ocean flood the shore with a very high tidal range during spring high tides?
the lunar and solar bulge coincide due to opposition or conjunction.
the diurnal and semidiurnal tides coincide.
the lunar bulge is smaller.
the solar bulge is three times as large.
ocean water accumulates over the oceanic province.
Spring tides occur when the Sun and Moon are in line (either in conjunction - new moon or opposition - full moon). In these positions, the gravitational forces of the Sun and Moon combine. The lunar bulge (caused by the Moon's gravity) and the solar bulge (caused by the Sun's gravity) add up. This combined gravitational pull leads to a higher tidal range.
- For the option “The diurnal and semidiurnal tides coincide”: Diurnal tides have a period of about 24 hours and 50 minutes, while semidiurnal tides have two high and two low tides per lunar day (about 24 hours and 50 minutes). Their coincidence is not the cause of spring tides.
- For the option “The lunar bulge is smaller”: During spring tides, the lunar bulge is not smaller. In fact, the combined effect of Sun and Moon's gravity (when they are in line) causes a larger - than - normal bulge.
- For the option “The solar bulge is three times as large”: The solar bulge is not three times as large as the lunar bulge. The Moon has a greater influence on tides (because of its proximity to the Earth), but when Sun and Moon are in line, their bulges add up.
- For the option “Ocean water accumulates over the oceanic province”: Tides are a result of gravitational forces, not water accumulation over a particular oceanic province in the way described.
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The lunar and solar bulge coincide due to opposition or conjunction.