Describe the key elements of what happens to rock before, during and after an earthquake in the elastic rebound theory
What will be an ideal response?
ANSWER: Stress exists along a fault as a result of plate motion.
Strain causes rock to deform in the direction of plate motion.
Rupture is caused by brittle failure of the rock.
Rebound brings rock to an undeformed state.
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The mass extinction at the Permian-Triassic transition definitely resulted from meteorite impact
Indicate whether the statement is true or false
What happens when rocks oxidize near Earth's surface?
A. Oxygen combines with water to create weak acids that weather rocks. B. Minerals in the rock release oxygen that can break down adjacent rocks. C. Minerals, especially those with iron, combine with oxygen. D. Oxygen combines with silica to make quartz.
The primary control of glacial-interglacial episodes seems to be variations in the Earth's orbit and inclination to the sun.
Answer the following statement true (T) or false (F)
Industrial ecology is defined by all of the following EXCEPT
a. redesigning industrial systems to reduce resource inputs. b. examining the costs of a product only until it leaves the factory. c. minimizing physical inefficiency. d. maximizing economic efficiency.