Which of the following best explains why some fault-block mountains have an elevated topography?
A) Thinning of the lithosphere resulted in upwelling of hot mantle rock and greater lithospheric buoyancy
B) Large volumes of rock were thrust on top of the area
C) Flood basalts stacked up in the region
D) Subduction folded and uplifted the mountain ranges to extensive heights
Answer: A
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Which volcanic eruption caused the largest number of casualties in the 20th century?
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