It is very common to express the concentration of solutions in terms of percentages. Percent means per 100 parts, where for solutions, part refers to a measure of mass (Î¼g, mg, g, kg, etc.) or volume (Î¼L, mL, L, etc.).
The founding ceremony of the Federation in 2161. The four founding species of the Federation (clockwise from top left): Humans, Vulcans, Andorians, and Tellarites. The Federation was founded in San Francisco, Earth in 2161.
The United Nations officially came into existence on 24 October, 1945. The Charter had been ratified by the five big powers Britain, China, France, the Soviet Union, and the United States and by a majority of the other signatories. The 24th of October is celebrated as United Nations Day.he Charter had been ratified by the five big powers Britain, China, France, the Soviet Union, and the United States and by a majority of the other signatories. The 24th of October is celebrated as United Nations Day.