The microscopic (atomic) structure of glass resembles that of ________.
A) liquids.
B) gases.
C) solids.
D) none of the above.
A) liquids.
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Which state has the most coal mines? Which produces the most coal?
What will be an ideal response?
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The difference between brazing and soldering is that:
A) Brazing occurs at higher temperatures than soldering. B) Soldering occurs at higher temperatures than brazing. C) Brazing never requires flux. D) Brazing melts the base metal and soldering does not.
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If the pH of the solution varies widely, a(n) __________ controller is used to apply the acid or base.
A. on-off B. proportional
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The major component of the marketing bill for food is ________.
Fill in the blank(s) with the appropriate word(s).
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