http://www.w3.org/ns/prov#value | - The changes may be for survival needs such as food, shelter, and defense, for communication and transportation, or to gain knowledge and express ideas.Science Standards (Grades 9-12)Technology and Science2: Mathematics, creativity, logic and originality are all needed to improve technology.United States History Standards (Grades 5-12)Era 4: Expansion and Reform (1801-1861)1: United States territor
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