What is an essential element of an open class system

9. The extinction of many species leads to the burst of evolution by a causing volcanic eruptions b. producing global climate change. c. leaving open habitats. d. making the extinct species more fit.

What type o Gn bond is formed when metal and non-metal atom combine

Which American crop became popular in the Islamic empires during the early modern era? A. Tobacco B. Silk C. Corn D. Wheat

What did the name of the capital of Babylonia mean?

Why did david sarnoff create the nbc?

What is the country in Africa that borders Cameroon

why did the North prevail in the civil war? What might have turned the tide of the war against the north?

Which constitutional principle creates the power for one branch of the government to limit the actions of the other two? A. checks and balances B. federalism C. republicanism D. limited government

Explain the purpose, set fourth in the Constitution, of diving the power amoung the three branches of government

What justification might germany have used to attack both merchant ships and neutral vessels?