Two people, one having twice the mass of the other, play tug-of-war with 12 m of rope on frictionless ice, and slide toward each other. The heavier person slides a distance of
A. 4 m.
B. 5 m.
C. 6 m.
D. 3 m.
Answer: A
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Crustal movements of various kinds in the Earth's crust is collectively called ________ activity.
A. clastic B. 1st order C. detrital D. metamorphic E. tectonic
The Northern Hemisphere typically has three or more upper-level waves called ____________________ ____________________ encircling it
Fill in the blank(s) with correct word
Ethanol production in the United States
A) is likely to decline soon, as the price for corn as food increases. B) accounts for only 5% of the U.S. crop. C) will likely increase, making less corn available to people and livestock as food. D) has not contributed to rises in corn prices.
Which of the following is thought to transfer materials without the lubricating effect of water?
A) Landslides B) Solifluction C) Mudflow D) Debris flows E) Rock glaciers