<span>Advanced mathematics was critical to the development of the Mayan calendar. The Maya needed a system of mathematics to record celestial movements over the years, to handle large numbers, and to calculate the solar and lunar year with great precision.</span>
rapid industrialization and population growth have caused significant air pollution
Answer:
World War one started on the 28th of July 1914 between two sides; The war started mainly because of four aspects: Militarism, Alliances, Imperialism and Nationalism. The overall cause of World War was the assassination of Archduke. As you can see Nationalism had made a big dent in Countries
Explanation:
The Murray river is in eastern Australia <span />
Answer: The ancient Roman republic had three branches of government.
Explanation: