If you're standing on ice above a pond and you hear a crack, you should:a
remain motionless until the cracking stops.
b. lie down on the ice to distribute your weight more broadly on the ice.
c. run as fast as you can to shore.
d. not worry because the ice will not break.
e. prepare for a swim.
B
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Which requires more work: lifting a 25-kg sack vertically 4 m, or lifting a 50-kg sack vertically 2 m?
A. Lifting the 25-kg sack. B. Lifting the 50-kg sack. C. both require the same amount of work. D. none of the above
The high Earth temperatures in the Archean probably played a role in the rapid rate of plate motion
a. True b. False
Of the following steps in classical cyclogenesis of a mid-latitude cyclone, this happens last
A) occlusion occurs B) a warm front forms C) a cold front forms D) a region of low pressure is established
City X experiences very dry conditions in the winter, along with a prevailing northerly wind. In the summer, the prevailing winds shift to southerly and the rainfall at City X increases by a factor of 10
What can you say about the general climate regime of City X? A) It must be located deep in the interior of a large continent. B) It is probably at a high latitude. C) It has a monsoon climate. D) It must be located under the ITCZ for most of the year.