Proven environmental impacts of the transmission of electricity have been associated with intermittent ________
A) electromagnetic fields
B) use of PCBs in transformers
C) air pollution surrounding coal mining
D) use of heavy metals in transmission lines
E) radioactive effects of electricity
B
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One strand of DNA has the sequence CAGTC. The opposite strand has the sequence
A. TCAGT. B. GTCAG. C. ATCGA. D. none of the above
Wetland protection is one of the most controversial provisions of the ________ because opponents believe that the legislation is ________.
A. Clean Water Act; an infringement on their use of private property B. Clean Water Act; ineffective because it does not prevent pollutants C. Land Use Act; an infringement on their use of private property D. Clean Air Act; ineffective because it does not prevent pollutants E. Endangered Species Act; an infringement on their use of private property
____ was longest continuous scientific oceanographic expedition
a. The Challenger expedition b. The Fram expedition c. The Meteor expedition d. The Albatross expedition
Suppose three identical magnitude 3 earthquakes occur in three different locations. The epicenters are Anchorage (Alaska), Los Angeles (California) and Boston (Massachusetts). Which location would most likely experience the largest intensity the farthest from the epicenter?
A. California B. Massachusetts C. Alaska