28. In the 19th century, it _ two or three months to cross North America by covered wagon. The trip - very rough and often dangerous.

a. took / was

(b, had taken / had been

c. took / had been

d. had taken / was

How are regions defined?

Which of the following is not true about the Pacific Ring of Fire? A. It is an arc of intense seismic activity. B. It includes the northern edge of Alaska. C. It is a zone of frequent earthquakes. D. It is the result of plate tectonics.

The areas in which new sea floor and oceanic lithosphere are formed are called ___ centers, and the areas where older oceanic lithosphere is recycled as it descends and melts are called ___ zones.

Data courtesy of the UN Development Programme 2006-2008 and World Bank 2009 The chart above compares measures of development using the HDI and GDP. Why might Turkey rank lower in the HDI indicator even though it has a high GDP?

Which example gives the relative location of a place? 50 Main Street 33 degrees N latitude, 91degrees W longitude east of the library 1600 Pennsylvania Ave., Washington, D. C.

11. Name 3 types of birds in Oceania and describe what makes them unique. 12. What are some ways that non-native species were introduced to Oceania? 13. What effects can invasive species can have on an ecosystem? 14.

Which of the following is a false pairing of an early civilization and its modern-day location A. Mesopotamians - Iraq B. Indus Valley Civilization - Pakistan C. Olmec - Canada D. Egyptians - Egypt

What is the main reason water from the ocean turns to what're vapor, and than evaporates into the air? A. ocean breezes B. changing tides C. heat front the sun D. moons gravitational pull

What could cause an igneous rock to become soil? a. Increased temperature and pressure c. Exposure and weathering b. Melting and crystallization d. All of the above

One knot is equal to one nautical mile. a. True b. False