Publishing as Benjamin Cummings. 3. A pure substance is classified as. â¢ matter with a specific and constant composition. â¢ an element when composed of one type of atom. â¢ a compound when composed of two or more. elements combined in a definite ratio. Pure Substances.
Hudson is a city in Lenawee County in the U.S. state of Michigan. The population was 2,307 at the 2010 census.
Lincoln Park was the first park in the Hudson County parks system. The Hudson County Parks Commission was created in 1903, and began work on the park in 1904. The park was built primarily on undeveloped swamp and the privately owned Glendale Woods.