A Category 5 hurricane in the open water can obtain top wind speed comparable to ________
A) a plane flying near supersonic speed
B) the top speed of an old style Volkswagen beetle
C) an F1 tornado
D) an F4 tornado
Answer: D) an F4 tornado
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To feed a growing population, it would be most energetically efficient for people to eat more ________
A) soylent green B) plant-based foods C) herbivorous animals like cattle and chicken D) carnivorous animals like fish and alligator
Most nations have shown relatively little interest in harnessing the power of wind for energy
Indicate whether the statement is true or false
Given current technologies, humans have a realistic chance of escaping to another hospitable planet.
Answer the following statement true (T) or false (F)
Since 1969, when the Cuyahoga River in Ohio was so polluted that it spontaneously burst into flame, the overall quality of water in the U.S. has
A. steadily declined. B. remained unchanged. C. steadily improved. D. remained a non-issue.