The cheapest option of the "three Rs" is most often
A. Release
B. Reuse
C. Redefine
D. Reduce
E. Recycle
Answer: D
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The ________ is what needs to be overcome in a reaction so that it can proceed to the products.
A. activation energy B. bond energy C. catalyst D. thermodynamics E. entropy
All of the following are problems that remain to be solved in the United States with respect to air pollution except
a. Dramatically reducing emissions from older power and industrial plants b. The current laws do not deal seriously with indoor air pollution. c. Enforcement of the Clean Air Act is too stringent. d. Airports are exempt from many air pollution regulations. e. Two-cycle engines need to be regulated more effectively.
Which of the following statements describes weather fronts in the southern hemisphere?
A. Warm fronts are associated with high-pressure systems. B. Precipitation associated with warm fronts tends to be brief and intense. C. Precipitation associated with warm fronts tends to be gentle and prolonged. D. Cold and occluded fronts are associated with high-pressure systems.
This term is used to describe clouds that produce precipitation
What will be an ideal response?