Which of the following is a tool or technique of the contemporary geographer?
A) GPS
B) GIS
C) remote sensing
D) cartography
E) GPS, GIS, remote sensing, and cartography
Answer: E
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The O horizon of soils consists of ________
A) material leached from the top layers of soils B) materials deposited by erosion C) mostly organic material D) bedrock E) weathered parent material
When chlorofluorocarbons (CFCs) are subjected to sunlight, they release ________, in turn leading to the destruction of ozone molecules
A) chlorine B) hydrogen C) nitrogen D) carbon E) carbon dioxide
Which appears to be the best method of living near floodplains?
A) Using sandbags to block incoming water when floods occur. B) Effective land use planning. C) Build houses that will effectively block floodwaters. D) It is best not to live near floodplains at all.
Water-saturated muds have low permeabilities but can have greater porosities than well-cemented sandstone.
a. true b. false