Tidal range Tidal range Tidal range is the height difference between high tide and low tide. Tides are the rise and fall of sea levels caused by gravitational forces exerted by the Moon and Sun and the rotation of Earth. Tidal range is not constant but changes depending on the locations of the Moon and Sun. The most extreme tidal range occurs during spring tides, when the gravitational forces of both the Moon and Sun are aligned (syzygy), reinforcing each other in the same direction (new moon) or in opposite directions (full moon). During neap tides, when the Moon and Sun's gravitational
What Happened to Goodbye familiar and inspiring to you". Other critics have described the book as "A tale of self-identity" and as a novel that addresses "how important our identities are" Another important theme in the novel is family relationships. In one review, Pamela Kramer from the Examiner noted that "what the reader learns through Mclean is the importance of family". A reviewer from Galley Smith added that the novel has "many common themes relating to children of divorce and family dynamics". Another important theme in What Happened to Goodbye is friendship. One reviewer stated that "working together on an intricate model of the