The DEW line was a project that established ________
Fill in the blank(s) with correct word
radar stations in the Far North to track potential Soviet attacks
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A(n) ________ is designed to contain municipal wastes and prevent nuisances and public hazards
Fill in the blank(s) with correct word
Temperatures over North America suddenly cooled from 11,000 to 10,000 years ago, a period known as the ____________________ ____________________
Fill in the blank(s) with correct word
Which of the following coastal cities has subsided the most?
A. Taipei, Taiwan B. Mexico City, Mexico C. Venice, Italy D. London, England
Likely global climate changes in the 21st century include all but which of the following?
A. more frequent severe drought in the Central United States B. melting of permafrost in Arctic regions C. melting of the Greenland and West Antarctic ice sheets D. shorter duration of heat waves E. melting of mountain glaciers