The surface temperature of the sun is 5,778k
Hello There! ^_^
Your question: What were the three main Indian groups before European explorers arrived..?
Your answer: The Mayan, the Aztecs and the Incas were the three main Indian groups before European explorers arrived.
Hope this helps!
Most Chinese cities were market and administrative centers
Geographic feature the Silk Road travel all way through is The Mediterranean—- western convergence point of the overland and the maritime trans-Eurasian trade routes. The Mediterranean channeled widespread distribution of Silk Road goods throughout western Eurasia...