Most of the earth's volume is contained in the
this region is known as the mantle, and accounts for the vast majority of the earth's volume. movement, or convection, in this layer is also responsible for all of earth's volcanic and seismic activity
-- from january 15 to february 6 is a period of 22 days.
-- the period of the full cycle of moon phases is 29.53 days.
-- so those dates represent (22/29.53) = 74.5% of a full cycle of phases.
-- that's almost exactly 3/4 of a full cycle, so on february 6, the moon would be almost exactly at third quarter. that's the left half of a disk (viewed from the northern hemisphere).
the buoyant force on any object acts in the direction opposite to the force of gravity. (a)