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.
Answer:
floods, fires, blizzards, locust which could take out crops in a short amount of time, plagues, and bandits.
Answer: The Spanish said the rafts were in the shape of the extended fingers of a hand. The large balsa logs, lashed together with henequen fiber, formed the main deck of a raft. Seawater passed freely between and over the logs making it very difficult for rafts to be swamped by heavy seas.
Answer:
Excuse me but B and C isn't marked but your answer is A, Western Europe highest tax rate is 57% while US has max of 38%