Answer:
Muhammad ibn Musa al-Khwarizmi was a 9th-century Muslim mathematician and astronomer. He is known as the "father of algebra",
Answer:Life in Sparta was vastly different from life in Athens. Located in the southern part of Greece on the Peloponnisos peninsula, the city-state of Sparta developed a militaristic society ruled by two kings and an oligarchy, or small group that exercised political control.
Historians must look at the age of the evidence itself, they must also look at whether it can be corroborated by other pieces of historical evidence and that the source of the evidence is reliable.
