Which one of the following is most likely to be associated both with impact craters and with volcanic calderas that originate by collapse?
A) outwardly radiating, fragmental, bright, surface streaks
B) sharp, central peaks that rise above the floor of the depression
C) sharp rims that rise well above the surrounding area far away from the edge of the depression
D) landslides and other mass wasting movements along the walls of the depression
D
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For most of the 20th century earthquake magnitude was reported on the ________ scale, a scale that has never exceeded a magnitude 8.6.
A. Gutenberg B. Modified Mercalli C. surface-wave D. Richter E. moment magnitude
Choose the answer that best explains why a rock might not go through the complete rock cycle.
A. Rock may be involved in a variety of processes in different sequences. B. The exposed rock may never weather thus never enter the rock cycle again. C. Some rocks are forever trapped in the magma of the Earth.
Which of the following is an unsaturated fatty acid?
A) arachidonic acid B) palmitic acid C) stearic acid D) none of these
What is the largest biogeochemical cycle?
a. carbon cycle b. nitrogen cycle c. phosphorus cycle d. silicon cycle e. ferrous cycle