osmosis. 1. Movement of water through a selectively permeable membrane, e.g. a cell membrane. 2. The movement of solvent molecules through a semipermeable membrane from a dilute solution to a more concentrated solution. 3. Diffusion of a fluid (e.g., water) through a semipermeable membrane.
The Declaration Of Independence was signed in Philadelphia in 1776.
The Declaration became official when Congress voted for it on July 4; signatures of the delegates were not needed to make it official. The handwritten copy of the Declaration of Independence that was signed by Congress is dated July 4, 1776.he United States Declaration of Independence inspired many other similar documents in other countries in the 18th and 19th centuries, spreading to the Low Countries, and then to the Caribbean, Spanish America, the Balkans, West Africa, and Central Europe in the decades up to 1848.