How many moles of marble, CaCO3, are there in a 275 g piece of marble?
A) 4.57 x 10^-22
B) 0.364
C) 2.75
D) 275
C
Environmental & Atmospheric Sciences
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What will be an ideal response?
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A cutoff meander may become a crescent-shaped ________.
A. levee lake B. moraine lake C. Yazoo lake D. oxbow lake E. kettle lake
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Which of the following is a synthetic greenhouse gas?
A) water vapor B) methane C) oxygen D) nitrogen E) chlorofluorocarbons
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