Because it is a metal, lead is not a major air pollutant.
Answer the following statement true (T) or false (F)
False
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Anticyclones
A) have strong winds. B) are identified by their tightly spaced isobars. C) do not appear in the continental United States. D) have skies that are mostly clear. E) cause violent weather events.
The main cause of the Rapid City flood of 1972 was
A. failure of a dam because of a large landslide into the reservoir. B. intense rainfall from a thunderstorm that resulted in a flash flood. C. poor design and poor construction of a large concrete dam. D. rapid melting of glaciers in the Black Hills because of global warming. E. All of these choices are correct.
Which of the following is a documented negative impact of dams?
A) decreased rainfall B) alteration of river sediment deposition C) increased atmospheric CFCs D) acid deposition E) alteration of river salinity
These satellites circle the earth in a north-to-south direction, and obtain images of the entire Earth twice a day by drifting about 15 degrees westward over the earth's surface during each orbit
A) polar satellites B) geostationary satellites C) Doppler satellites D) Automated Surface Observing Systems