True or false? if a black hole ten times more massive than our sun were lurking just beyond pluto's orbit, we'd have no way of knowing it was there.

How did the language of Quechua spread throughout the Andes? A. The roman Catholic Church used Quechua to preach Christianity. B. The Spanish conquerors adopted Quechua. C. The schools and churches taught Quechua. D.

Membership in the European Union requires countries to have which type of government?

Explain why volcanoes often form on the continental plate after an ocean-continental plate collision.

How might a volcanic eruption cause both slow changes and rapid changes to landforms?

The earth's oceans have a salinity of approximately 3.5% while the Dead Sea has a salinity of approximately ___. a. 85%-90% b. 36%-37% c. 30%-35% d. 13%-20%

Iron atoms combine with oxygen atoms to form rust. Is this a physical property of iron or a chemical property?

Kerri drive 310 miles in 5 hours at a constant speed. A) at what constant speed was Kerri driving? B) How long would it take her to drive 403 miles at the same speed?

Which tectonic plate pushes against the Eurasian plate to form the alps and other geographical features

Which of the following areas would most likely have the greatest amount of surface runoff? low, flat plain sandy beach steep mountainside V-shaped valley

Which of the following is a reason why Hartsfield-Jackson International Airport provides so many jobs to Georgians? A) It is required to hire many people because it receives tax money for its operations.