Between the earth's surface and the ionosphere,
A) a large voltage difference occurs only when thunderstorms are present.
B) a large voltage difference always exists.
C) a very small voltage difference usually exists.
D) a very small voltage difference occurs only when thunderstorms are present.
Answer: B
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Most wildlife experts believe that the United States needs a new law that
A. is designed to protect particular species. B. is designed to protect and sustain biodiversity and ecosystem function. C. is weaker than the Endangered Species Act D. emphasizes the use of seed banks and captive breeding over habitat protection. E. bans egg pulling
How many categories are in the hurricane intensity scale?
A. 6 B. 4 C. 5
Using the insolation diagram, name the correct sequence of surface pressure zones associated with latitude zones. Start from the equator and move toward the poles.
A. high pressure, high pressure, low pressure, low pressure B. high pressure, low pressure, high pressure, low pressure C. low pressure, low pressure, high pressure, high pressure D. low pressure, high pressure, low pressure, high pressure
In 2003 the world fishing fleet spent over ________ billion to catch $80 billion worth of fish
A) $60 B) $80 C) $100 D) $120 E) $140