Analyze the Big Black River, Mississippi hydrograph shown and answer the questions that follow. Units are CFS (cubic feet per second). How many floods of 50,000 cfs or greater occurred between 1949-1999?
A. 6
B. 7
C. 8
D. 9
D. 9
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Which North American region was hit by Hurricane Sandy in October 2012?
A) the West B) the Gulf Coast C) the Appalachian Highlands D) the Atlantic coastline E) the Ozark Mountains
What is the main objective of the "vehicle routing problem"?
What will be an ideal response?
Match the corresponding characteristics with the correct igneous rock
A) course-grained, mafic composition B) glassy texture C) ultramafic composition D) vesicular texture E) course-grained, felsic composition F) fine-grained, felsic composition G) intermediate composition H) fine-grained, mafic composition 9) Obsidian 10) Granite 11) Basalt 12) Pumice 13) Peridotite 14) Rhyolite 15) Diorite 16) Gabbro
Tornadoes form near the trailing edge of thunderstorms
a. True b. False