What are the three factors that influence viscosity of a lava?
A. depth of magma, temperature, ease of gas escaping to atmosphere
B. amount of gas, rhyolite, and vesicles in the magma
C. silica content, temperature, dissolved gases
D. plate tectonic setting, thickness of the geosphere, amount of gas in the magma
E. origin of the magma, plate tectonic setting, condensation
Answer: C
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According to the elastic rebound theory:a
rocks will bend before they break. b. rocks will snap back into their original shape after faulting. c. rocks will break when their capacity to store energy of deformation has been exceeded. d. rocks will bend before they break AND will snap back to their original shape after faulting. e. rocks will bend before they break, will snap back to their original shape after faulting, AND will break when their capacity to store energy of deformation has been exceeded
The explosion of the volcano ________ in 1883 generated a giant tsunami that killed tens of thousands of people
Fill in the blank(s) with correct word
Globalization moves jobs to where wages are low, and therefore, growth in the LDC middle classes is tied directly to losses in the MDC middle classes
a. True b. False Indicate whether the statement is true or false
The largest contributing factor for the current high rate of animal extinctions is
A. Drought conditions caused by the greenhouse effect B. Commercial harvesting of wildlife in Africa C. Uncontrolled sport hunting in the developed world D. Habitat destruction worldwide E. None of these by themselves cause high rates of animal extinctions, but together they combine to cause high rates