Geologists believe that when the thick and high part of a mountain belt becomes too high and gravitationally unstable, ________ occur(s).
A. gravitational collapse and spreading
B. rapid downcutting
C. volcanic eruptions
D. massive landslides
E. basalt flows
Answer: A
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Matching
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A form of symbiosis that benefits one species of the interaction while having no effect on the other species is known as
A. commensalism. B. parasitism. C. mutualism. D. predation.
Certain clay minerals tend to expand when they get wet. Indicate whether the statement is true or false