A 2006 U.S. Supreme Court ruling that resulted in the EPA dropping enforcement actions on at least 1,500 water pollution cases and the exclusion of the drinking water sources of over 117 million Americans was based on the court's interpretation of the word

A. organic.
B. aquifer.
C. toxic.
D. navigable.


Answer: D

Environmental & Atmospheric Sciences

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Which of the following clouds form in descending air?

A. mammatus B. cumulus fractus C. cumulonimbus D. pileus

Environmental & Atmospheric Sciences

The area of conflict between colder and warmer air masses in the subpolar region

A) is termed the polar front. B) is unrelated to the formation of cyclonic storms. C) is most distinctive during summer months in each respective hemisphere. D) is referred to as the subtropical contact zone.

Environmental & Atmospheric Sciences

If natural gas prices remain affordable, increased production will ____.

A. make nuclear plants more affordable B. reduce the use of coal-burning plants C. accelerate the use of solar power D. accelerate the use of wind power E. result in the U.S. importing natural gas

Environmental & Atmospheric Sciences

Changes in the DNA sequence of a gene in a cell that can be inherited by offspring are called ____.

A. adaptations B. mutagens C. mutations D. variable traits E. selected traits

Environmental & Atmospheric Sciences