Which of the following processes is NOT considered physical weathering?
A. prying by plant roots
B. thermal expansion
C. frost wedging
D. near-surface fracturing
E. oxidation
Answer: E
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Referring to the figure below, in which direction is energy being transported?
?
A. upward at first, and then downward B. downward C. upward D. downward at first, and then upward
How many years of stress were relieved by the 1906 earthquake, if the speed of movement has been 5.6 cm/yr?
The 1906 San Francisco earthquake resulted in a maximum 8.5 m (28 ft) of movement along the San Andreas Fault around Point Reyes. What will be an ideal response?
What does this texture indicate about the formation of this rock?
A. It formed from an explosive pyroclastic eruption. B. The magma formed some crystals before rising closer to the surface and solidifying. C. The rock solidified at great depth. D. The magma had abundant dissolved gas.
What 3 factors control the explosivity of a volcano?
a. Temperature, Composition, Dissolved Gases b. Ocean Currents, Climate, Uniformitarianism c. Meteor impact, nebula hypothesis, oil production d. Earthquakes, Magnetism, Dissolved Solids