Briefly explain why a region that is tectonically active may be particularly vulnerable to mass wasting
Such a region is likely to contain faults and highly fractured bedrock, have young steep slopes, and experience many earthquakes.
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Tsunami are usually caused by
A) Milankovich cycles. B) global warming. C) earthquakes. D) Earth's changing orbit.
Industrial ecologists ________
A) advocate taxes on green industries B) primarily analyze industrial inputs C) favor an economy that moves linearly rather than circularly D) redesign industrial systems to minimize physical inefficiency and maximize economic efficiency E) urge an emphasis on internal manufacturing costs rather than external costs
The primary difference between tropical and middle-latitude forests is that middle-latitude forests have developed a mechanism to counteract:
a. long periods of sunlight b. long periods of high temperatures c. long periods of low humidity d. long periods of low temperatures and annual precipitation variations e. long periods of stormy weather
In the late 20th century most metal prices were very low but metal prices increased dramatically in the early 21st century
Simultaneously, the early 21st century saw extensive "brown fields exploration" in which companies went to old mining areas and extracted old mine wastes or reopened old mine workings. What is the primary explanation for this activity? A) Environmental regulations make it impossible to explore anywhere but old mining areas, so this was the only place the companies could look for deposits. B) The companies were only interested acquiring properties through a sleazy land grab, and had no intention of doing anything with the deposits assuming no one cared about brown fields. C) The increase of metal prices made mineral resources that were previously uneconomic into ores that could potentially be extracted profitably. D) The old miners were wasteful and left large amounts of ore in the ground.