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
Answer: E. tectonic
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The U.S. National Wildlife Refuges system is most effective at protecting ____.
A. small mammals. B. migratory waterfowl. C. large mammals. D. songbirds. E. reptiles.
Why is crushed limestone used in the remediation of sulfide waste rock?
a. The limestone forms a highly impermeable barrier. b. The limestone neutralizes the acid that forms. c. The limestone converts to marble and can be sold. d. Native grasses and plants grow directly out of the limestone. e. The sulfide waste rock will oxidize into limestone.
The mechanism for plate movement is:
a. conduction of heat from the core. b. friction created by tidal forces generated by the Moon. c. conduction of heat within the mantle. d. convection of heat within the mantle. e. convection of heat within the core.
If the side of the Earth that faces the Moon experiences a high tide, then the side of the Earth that is opposite from the Moon will have a ________
A) high tide B) low tide C) neap tide D) proxigean tide E) spring tide