When do black smokers occur?
A) during plate tectonics movement
B) during underwater volcanic reactions
C) components dissolve below the seafloor, but then precipitate when they contact cold water
D) components squeezed from beneath the sea floor dissolve upon contact of cold water
Answer: C
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Which system is tightly “coupled”?
a. Nuclear power plant b. University c. Mining operation d. Road transport
The plate boundaries which are ________ are likely to make island arcs
A) divergent between continental plates B) convergent between continental plates C) divergent between oceanic plates D) convergent between oceanic plates E) transducive boundaries between oceanic and continental plates
Due to the widely varying, dry terrain, portions of South Dakota are what type of terrain?
A. mesa-and-scarp B. basin-and-range C. erg D. reg E. badland