C is what I believe the correct answer is!(:
Answer:
scientist can tell by observing the seismic waves that are recorded all over the surface of the earth from distant earthquakes
Explanation:
I think its poor leadership
As I said in your other post/question on the same topic, you have to rephrase your question in order for us to help you. =)
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!
