Most potassium occurs in the Earth's crust as minerals, such as feldspars and clays. Potassium is leached from these by weathering, which explains why there is quite a lot of this element in the sea (0.75 g/liter). Minerals mined for their potassium are pinkish and sylvite, carnallite and alunite.
oppression - the act of subjugating by cruelty; the tyrant's oppression of the people. 2. oppression - the state of being kept down by unjust use of force or authority: after years of oppression they finally revolted. subjection, subjugation - forced submission to control by others. yoke - an oppressive power; under the yoke of a tyrant; they threw off the yoke of domination.
What is the definition of rebel? A rebel can refer hatred towards tradition, and it can mean to fight for your eternal right. Example, Martin Luther King was a rebel in a way, no offense to his heroism, because he wanted his right to be free, and for Black and White people to finally get along. No more East end and West end, and no more East or West Germany, in which is another example of a rebel.