Sea are all aligned (full moon and new moon), the combined effect results in the high "spring tides". In contrast, when the Sun is at 90° from the Moon as viewed from Earth, the combined gravitational effect on tides is less causing the lower "neap tides". Tidal flows of seawater are resisted by the water's inertia and can be affected by land masses. In places like the Gulf of Mexico where land constrains the movement of the bulges, only one set of tides may occur each day. Inshore from an island there may be a complex daily cycle with four high
Disquisitions relating to Matter and Spirit its existence. Although he buttressed his arguments with familiar scholarship and ancient authorities, including scripture, he was labeled an atheist and at least a dozen hostile refutations of the work were published by 1782. Disquisitions relating to Matter and Spirit Disquisitions relating to Matter and Spirit (1777) is a major work of metaphysics written by eighteenth-century British polymath Joseph Priestley and published by Joseph Johnson. Between 1774 and 1778, while he was serving as an assistant to Lord Shelburne, Priestley wrote five major metaphysical works, in which he outlined his materialist philosophy, even though such a position "entailed denial of