1740 kg/m<span>3 is the density of magnesium
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One day (24 hours), because one rotation of earth on its axis is the position of the countries to the sun shifting, thus resulting in the periods of sun and moon, (the day and the night).
The temperature would slowly decrease until the bowl's internal temperature matches the refrigerator's internal temperature.
I hope this is the answer you needed.
The solid metal inner core is the most dense