A normal fault is:
a. when the movement is entirely horizontal.
b. when the hangingwall moves up over the footwall.
c. when the footwall moves up relative to the hangingwall.
Answer: c. when the footwall moves up relative to the hangingwall.
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The one place on Earth where mid-ocean ridge volcanism occurs above sea level is ____________________
Fill in the blank(s) with correct word
Economic and political relationships are less integrated than they were in past eras when nation-states and empires were more significant.
a. true b. false
Which location on this figure from the Investigation is located on a convergent plate boundary?
A. 1 B. 2 C. 3 D. 4 E. 5
The Morrison Formation is exposed in the western United States and represents a nonmarine deposit with abundant dinosaur fossils. Much of the Morrison is pure mudstone, yet it is common to find highly polished pebbles and cobbles in the mud
Which of the following do you think is the best explanation of these cobbles? A) They represent meteorites that killed the dinosaurs. B) They were placed in the mud by space aliens. C) They are impossible; people must have put them there. D) They are gastroliths, a trace fossil.