Two different wave groups with the same height travel together in the same direction. The wavelength of one group is twice as long as the wavelength of the other group. A combined wave of extra height will be produced ________.
A. every seventh wave
B. every third wave
C. every other wave
D. every wave
E. every fifth wave
Answer: C
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Analyze the Big Black River, Mississippi hydrograph shown and answer the questions that follow. Units are CFS (cubic feet per second). Suppose the average recurrence interval flood you found above occurs in 2012. Based on the data , how likely is it that a 50,000 cfs or greater flood will occur in 2013.
A. Less likely
B. Just as likely
C. More likely
How would the temperature of Earth differ if, on average, there were 50% more clouds?
A. Earth would be warmer B. There would be no change in temperature C. Earth would be cooler
Which of the following food chains will have the greatest loss of chemical energy?
A. algae > minnow > bass > bear > decomposer B. lettuce > rabbit >fox > decomposer C. carrot > mole > hawk > decomposer D. flower > hummingbird > decomposer
What rock type forms oceanic plateaus?
A) Basalt B) Granite C) Rhyolite