Metamorphic Aureoles are concentric zones of metamorphism around an intrusion.
a. true
b. false
Answer: a. true
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Relatively stable, immobile parts of continents that form the foundation on which Phanerozoic
sediments were deposited:a. craton d. clastic wedge b. mobile belt e. back-arc basin c. orogen
Peter Eisinger defined which of the following terms as “the degree to which groups are likely to be able to gain access to power and to manipulate the political system”?
a. Problem of collective action b. Contestations c. Double politics d. Political opportunity structure
What pesticide has been primarily used to control mosquito populations?
A) mercury B) DDT C) lead D) synthetic estrogens E) PCB
Evidence demonstrating that the crater in Arizona formed by meteorite impact includes all but which of the following?
A. Little hills of rock outside the crater rim are inverted piles of the rock sequence exposed in the crater walls. B. The crater is steep-sided and closed. C. Huge blocks of limestone are strewn around outside the crater. D. The rim of surrounding rock was created by uplifting the horizontal sedimentary-rock layers of the region and tilting them away from the crater. E. A 550-ton spherical piece of nickel-iron metallic meteorite was found below the crater.