Which of the following nuclear equations correctly describes beta emission?
A. 
U ? 
Th + 
He
B.
 U ?  Pu | +  He |
C.
U ? 
U + 
HeD.
U ? 
HeE. none of the above
Answer: E
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Scientists called the new phenomenon, witnessed in May 2009, of straight line, 100 mph winds with an eyelike structure and a path of destruction 100 miles wide a
A) super derecho. B) squall line. C) supercell. D) macroburst.
Environmental policy aims to ________
A) use natural resources for economically important industrial products B) preserve all present natural areas in their pristine condition for future generations C) promote fairness among people and groups in the use of resources and protection from pollution D) protect the values of the landowner from unfair government regulations E) promote economic growth and social prosperity
Glacial deposits, as well as striated and polished bedrock, indicate that two major episodes of glaciation took place during the _______________
Fill in the blank(s) with correct word
The EPA's cost/benefit analysis of air pollution regulation in the United States indicates that ________
A) the benefits and costs of the regulations are about equal, so the standards are at the economic break-even point B) air pollution standards may be too strict, since the costs of compliance slightly outweigh the benefits C) the costs of being in compliance with the regulations are negligible D) although costly, the costs are far outweighed by benefits in illness and mortality prevention