Which of these ions is not a major constituent of seawater?
a. nitrite
b. sodium
c. sulfate
d. chloride
a
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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.
________ moraines are elongate low mounds of till that form along the sides of valley glaciers.
A. Medial B. Proximal C. Terminal D. Distal E. Lateral
Which of the following pairs includes concepts that are most closely associated to each other?
A) Biological wealth and introduced species B) Biological wealth and biodiversity C) Instrumental values and extinction D) Intrinsic value and instrumental value
A(n) ________ shoreline is one with numerous estuaries
A) emergent B) compound C) ria D) coral E) atoll