A study by the Environmental Protection Agency looked at the costs and benefits of the Clean Air Act from 1970 to 1990. This study found that a middle-range estimate of the health and other benefits from cleaner air was $22 trillion. This amount was about __________________ than the costs of reducing the pollution.
A. 10 time lower
B. 44 times higher
C. 10 times higher
D. 44 times lower
B. 44 times higher
Environmental & Atmospheric Sciences
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Which of the following factors were mentioned in the Chapter 1 Investigation regarding slopes?
A) Steepness of slopes B) Vegetation on a slope C) Erosion on a slope D) All of these choices are correct
Environmental & Atmospheric Sciences
Based on embryo studies, blood proteins, and biochemistry of muscle activity, chordates may be more closely linked to
echinoderms than other phyla. a. True b. False
Environmental & Atmospheric Sciences
There is substantial mixing of air between the troposphere and the stratosphere
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
A ________ is a seasonal reversal of the wind
A) sea breeze B) taku C) mistral D) chinook E) monsoon
Environmental & Atmospheric Sciences