Which of the following terms refers to the small, rapidly rotating whirls that sometimes occur within a large tornado?
A. whirlwind
B. mesocyclone
C. microtornado
D. suction vortex
Answer: D
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A cannonball fired from a cannon begins to fall
A. soon after following a straight-line path. B. as soon as it leaves the barrel. C. after air friction reduces its speed. D. none of the above
Environmental economist Michael Jacobs argues that certain forms of economic growth may be beneficial to the environment. What would be a good example?
a) The promotion of green technologies that reduce emissions b) The development of internal treadmills of production c) The creation of faster forms of computing technology that could hasten modeling of climate change d) The expansion of landfill stations to better incorporate technological waste
Due to the dominance of coal production in Appalachia, the United States has no major coal mining areas in the west
Indicate whether the statement is true or false
Imagine that you were given a ship equipped with a device that could measure how deep the water is. You are asked to use this ship to find a subduction zone. What would you look for as you sailed around the world's oceans?
A) an oceanic ridge B) a mountain range C) a continental rift D) a deep-ocean trench