Assuming the legislators are considering the cost-effectiveness of the legislation and want to maximize net benefit, what level of pollution reduction would they most logically legislate?
A) No reduction, since there is a cost to all levels of pollution reduction.
B) 60% reduction
C) 80% reduction
D) 90% reduction
B
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A viral killer that damages the liver and kills about 600,000 people each year is ____________________
Fill in the blanks with correct word
Which of the following describes when the maximum daytime surface temperature typically occurs?
A. before the Earth receives its most intense solar radiation B. after the Earth receives its most intense solar radiation C. concomitantly with when the most intense solar radiation is received D. exactly when the Earth receives its most intense solar radiation
Which of the following was missing from Alfred Wegener's hypothesis?
A) the geometrical fit between South America and Africa B) late Paleozoic glacial features C) paleomagnetic data from ocean crust D) similar fossils on widely separated continents
"Birth dearths" can be a problem because they cause
A. Labor shortages B. A decrease in workers C. Military weakness D. A decrease in taxpayers E. All of these are correct