The National Standard for Spatial Data Accuracy defines the accuracy in terms of the root mean square (RMS) error. How is the RMS error derived?
What will be an ideal response?
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A volcanic neck can form by
A) erosion of the volcano, leaving behind the solidified conduit inside the volcano. B) erosion of overlying rock layers exposing the conduit below the volcano. C) Both of these are correct.
Death Valley is below sea level. There, in Death Valley, base level is _______ ultimate base level.
a - not related to b - equal to c - lower than d - higher than e - unchanging with respect to
Which would characterize an erosional coast?
A. stacks B. headlands C. sea cliffs D. arches E. All of these choices are correct.
Heavy metals ________.
A. are not harmful unless they are directly ingested B. bioaccumulate in animal tissues C. become less hazardous over time as they degrade chemically D. become less hazardous after incineration E. are unregulated by the U.S. government