Which of the following would be the most unstable during an earthquake?
A) Sedimentary strata
B) Unconsolidated sediments
C) Crystalline bedrock
D) Concrete foundations
Answer: B
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E.G. Ravenstein considered it a "law of migration" that longer distance migrations would gravitate away from centers of economic strength
Indicate whether the statement is true or false.
Placer gold deposits were accumulated by stream processes. Indicate whether the statement is true or false
Other than elevation, what can we say FOR CERTAIN that these two locations have in common?
A) They are both coastal communities. B) They both have wet summers. C) They both have dry summers. D) They are both located on inland continents.
When the ________ came to a close, dinosaurs became extinct.
A. Precambrian B. Holocene Epoch C. Paleozoic Era D. Mesozoic Era E. Cenozoic Era