Which of the following is not a common way to define the distance between an earthquake and a seismometer that records it?
A) by surface distance around Earth
B) by angular distance to a satellite
C) by angular distance to Earth's center
D) by straight-line distance through Earth
Answer: B
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Curitiba, Brazil, has shown us that ________
A) traffic flows smoothly once pedestrians and bicycles are eliminated B) once roads are widened, traffic congestion decreases C) unregulated urban sprawl produces severe air pollution D) an expanded bus system, affordable to all, can solve a large city's traffic congestion E) prohibition of all motorized vehicles within cities reduces pollution and saves energy
Which statement about the danger of volcanoes in the Pacific Northwest is most accurate?
a. ?The Mt. St. Helens eruption of 1980 assures that the volcano will not be a threat for several decades. b. ?Mt. Rainier poses a greater threat than other High Cascades volcanoes due to the large population living at its base. c. ?Mt. Shasta is the most dangerous volcano in the region since it has not erupted in a long time. d. ?Mt. Hood is very close to the Seattle-Tacoma metropolitan area and would destroy much of these cities in an eruption. e. ?Mt. Baker has been the most frequent site of eruptions in the past and therefore is the greatest current danger.
The formation of the Rocky Mountains began about 200 million years ago with the collision of the North American Plate and that other plate?
A) The South American Plate B) The Pacific Plate C) The Juan de Fuca Plate D) The Caribbean Plate
The environmental lapse rate or average lapse rate is _______ of air cooling for every thousand foot increase in elevation
a. -3.6 degrees fahrenheit b. -4 degrees fahrenheit c. -3 degrees fahrenheit d. -5 degrees fahrenheit e. -7 degrees fahrenheit