Mine tailings are _________.
Fill in the blank(s) with the appropriate word(s).
Answer: the remains of ore after most of the metals have been removed
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The ultimate cause of tectonic plate motion is the
A) second law of thermodynamics. B) tendency for heat to spread out. C) escape of heat from Earth's interior. D) all of the above
O’Connor argues that the crisis of overproduction stems from a “contradiction” in the structure of the economy. What does this mean?
a) Large economic actors which employ the most laborers also most harm the environment. b) Growth that comes with the modernization of core countries erodes wages. c) The treadmill of production at once improves ecological outcomes and degrades social values. d) Regardless of technological advances, markets, labor costs, and politics, overproduction will always lower profit margins and spin the treadmill of production faster.
Paper parks are ________
A) parks established where timber harvesters formerly harvested wood for paper mills B) portions of the wilderness areas where timber harvesting is permitted C) areas protected on paper but not in reality due to lack of funding D) land trust areas where timber harvesting is permitted E) portions of the national parks where timber harvesting is permitted
Evidence supporting the theory of continental drift includes ________.
A. the presence of similar glacial patterns across oceanic basins B. the fit of continental margins on opposite sides of the Atlantic Ocean C. the presence of similar mountain belts along continental margins across oceanic basins D. the distribution of fossil organisms E. All of these are correct.