Along many low-lying sections of the U.S. Atlantic and Gulf Coasts, a 1 ft rise in sea level may equate to as much as ________ ft of inland movement of the beach.
A. 100
B. 10,000
C. 1,000
D. 10
E. 1
Answer: C
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Of the two types of dumps utilized for solid waste, open dumps
a. are rare in developed countries b. cover wastes with clay or plastic foam c. have little odor d. are vermin free e. none of these answers
The Mohorovicic discontinuity or Moho was discovered based on
A) chemical differences between felsic and mafic rocks. B) the S-wave shadow zone. C) a sharp change in seismic velocities. D) mineralogical data from drill holes.
Which of the following igneous rocks has a texture consistent with a magma that cooled and solidified slowly at first, followed by more rapid cooling?
A. small mafic crystals enclosed in large felsic ones B. large, early formed crystals surrounded by smaller, late formed crystals C. small felsic crystals enclosed in large mafic ones D. large crystals like those in pegmatite
The boundary where two tectonic plates move away from each other is called a ____ boundary.
A. passive B. transform C. convergent D. metamorphic E. divergent