Which of the following aquifers require a low permeability zone above it or below it?
A. artesian aquifer
B. confined aquifer
C. perched aquifer
D. All of these choices are correct.
Answer: D
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According to the World Resources Institute, what percentage of the water that people use throughout the world is unnecessarily wasted?
a. one-tenth b. one-third c. one-fourth d. one-half e. two-thirds
Many of the chemical hazards in our world can be avoided by lifestyle choices. However, air pollution, which is the fourth leading cause of death worldwide, is a form of chemical hazard that we do not have direct control over
Sandra Steingraber, in her book "Living Downstream," discusses the idea that clean air should be elevated to the status of a civil right in the United States. What would have to occur in order to have clean air become a civil right? Does not having clean air prevent you from realizing your other civil rights? If it were a civil right in the United States, would this guarantee clean air for you as a citizen of the U.S.? What will be an ideal response
This image, showing storm radial velocity (the air motions taking place within a cloud) is especially useful in studying supercell storms: ________
Fill in the blank(s) with the appropriate word(s).
In which of the following classes of organic compounds must there be at least two oxygen atoms?
A) carboxylic acids B) carboxylic esters C) both a and b D) neither a nor b