Coal forms from
A. evaporation of algae-rich lakes.
B. organic-rich volcanic ash.
C. thick tar that solidifies to rock.
D. plants buried in sediment.
Answer: D
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Why does the label ammonium hydroxide on a bottle give a false impression about the bottle=s contents?
A) There is a large amount of NH4+(aq) but only a small amount of OH-(aq). B) There is a small amount of NH4+(aq) but only a large amount of OH-(aq). C) There is a large amount of NH3(aq) but only small amount of OH-(aq). D) None of the above, the label accurately describes the contents.
Once developed, a climate classification system can be considered complete; i.e., it needs no further revision
Indicate whether the statement is true or false
U.S. deserts in Nevada and northern Arizona are largely the result of the Sierra Nevada Mountains ________.
A. deflation B. south wind C. volcanism D. rain shadow E. combined with Coriolis Force
Most gasohol blends are from
A. biogas methane. B. hydrocarbon-rich algae. C. distilled grains. D. liquefied coal.