Because shales are easily eroded, the areas where they are exposed typically
A. are covered in angular boulders and cobbles.
B. form steep cliffs.
C. have soft slopes and soil cover.
Answer: C
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The Christian Church in Western Europe was split in the 15th and 16th centuries as a result of the
A) efforts to convert people in Asia. B) Protestant Reformation. C) immigration of the people to the United States. D) Incorporation of Jewish beliefs into Christianity.
Which of the following would most reduce current US reliance on foreign imports of oil?
A) Switching to energy efficient light bulbs B) Continuing to raise the CAFE requirements for all vehicles C) Replacing any dishwasher or refrigerator more than 10 years old with new energy efficient models D) Turning computers and lights off when not in use
The tiny shells of marine organisms create a marine sediment called
a. calcite b. reefite c. pelagic clay d. ooze
Any stream may lengthen its valley by ________ and delta formation
A) headward erosion B) siltation C) saltation D) alluvial deposition E) delta erosion