The online version of Artificial Intelligence in Behavioral and Mental Health Care by David D. Luxton on ScienceDirect.com, the world's leading platform for high quality peer-reviewed full-text books.
The Constitution was written and signed in 1787. It was a charter of government that came to be ratified by the states, and it continues to be the supreme law of the land. Both documents have played an important role in American history and the spread of democratic ideals around the world.
Paper History. The word paper comes from the ancient Egyptian writing material called papyrus, which was woven from papyrus plants. Papyrus was produced as early as 3000 BCE in Egypt, and in ancient Greece and Rome. Further north, parchment or vellum, made of processed sheepskin or calfskin, replaced papyrus, as the papyrus plant requires subtropical conditions to grow.