Multiple "layers" of spatial information are stored in a(n)
A) GPS.
B) API.
C) remote sensing.
D) GIS.
E) map.
Answer: D
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What type of data did geographers use to determine and study the location and movement of the Deepwater Horizon oil spill in 2010?
A) Satellite images B) Topographic maps C) Shaded relief maps D) Microwave images
Radioactive substance A breaks down to substance B with a half-life of 1,000 years. If we start out with four kilograms of radioactive substance A, how much of those four kilograms of substance A will remain in 3,000 years?
A) 250 grams B) 500 grams C) 1 kilogram D) 2 kilograms
Who were the Luddites?
A) economists who predicted the rise of a new industrial class B) inventors who pooled their ideas C) university students who would partner with research firms D) traders who avoided paying taxes by smuggling goods E) disgruntled workers who destroyed machinery
How does a suspension differ from a solution?
A. Although a solution and suspension are both homogeneous mixtures, only the components of a suspension will separate by spinning the mixture in a centrifuge. B. A suspension is a heterogeneous mixture consisting of different phases, whereas a solution is a homogeneous mixture consisting of a single phase. C. A suspension is a heterogeneous mixture whose components can be separated by simple filtration. A solution is a homogeneous mixture which cannot be separated by simple filtration. D. The difference between a suspension and a solution can only be determined by chemical means.