Error propagation in overlay operations can be caused by:
A. digitizing errors
B. inaccuracies of attribute data
C. both of these are correct
Answer: C
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Although the Appalachian Mountains formed during the Paleozoic Era, the present topographic features are a result of
Cenozoic geologic activity. a. True b. False
Tornado outbreaks typically occur when a lengthy collision zone forms between ________ results in the formation of many supercell thunderstorms.
A. a single-cell thunderstorm and a snowstorm B. three or more hook echos C. warm high-pressure air mass and a cold high-pressure air mass D. a cold front and a high-energy warm air mass E. three or more warm fronts
On this map of the South Atlantic, which letter is on an oceanic fracture zone?
A) A
B) B
C) C
D) D
The rock shown here, with sediment just visible to the naked eye, is a
A. conglomerate. B. sandstone. C. shale.