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 need for an international organization to replace the League of Nations was first stated officially on October 30, 1943, in the Moscow Declaration issued by China, Great Britain, the United States, and the USSR.