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When Did Facebook First Come Online

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When did Facebook first come online?


Definitions:

Blood Pressure

The force exerted by circulating blood on the walls of blood vessels, an essential indicator of cardiovascular health.

Proximal Convoluted Tubule

A segment of the nephron in the kidney where the bulk of reabsorption of water, ions, and nutrients from the filtered blood occurs.

Sodium Chloride

A chemical compound commonly known as table salt, essential for various bodily functions, including maintaining fluid balance.

Hydrogen Ions

Positively charged ions of hydrogen, which play a crucial role in acidity, pH levels, and various biochemical reactions.

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