(c) McGraw Hill Ryerson 2007 4.2 Properties of Visible Light The wave model of light describes light as a wave that travels through empty space. Light.
(c) McGraw Hill Ryerson 2007 12.3 Water Quality and Its Effects on Living Things Human activities are having many negative impacts on the water cycle.
5.1 The Ray Model of Light Some properties of light are best described by considering light as a wave. Other properties of light are best described by.