Explanation:
Islamic mathematicians such as Al-Khwarizmi, Avicenna and Jamshīd al-Kāshī made advances in algebra, trigonometry, geometry and Arabic numerals. Islamic doctors described diseases like smallpox and measles, and challenged classical Greek medical theory.
this were the biggest ones.
Federal Deposit Insurance Corporation (FDIC), the Federal Crop Insurance Corporation (FDIC), the Federal Housing Administration (FHA) and the Tennessee Valley Authority (TVA).
<span>The prime minister is the head of the Government, but not head of the state. He or she has the real power in the country, but does not represent it, such as during the meetings with other heads of states.</span>
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