A pozzolanic material must be composed mainly of
A) silica and alumina.
B) microscopic and crystalline silica.
C) amorphous silica and alumina.
D) microscopic silica.
E) microscopic and amorphous silica.
E) microscopic and amorphous silica.
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Which of the following is an Imperial unit of measurement?
a. Centimeter b. Celsius c. Meter d. Foot
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By describing the light in terms of ________, Thomas Edison made the electric light feel ________.
A. Function; rapidly acceptable B. Design decisions; novel C. Established institutions; familiar D. Gas lamps; impactful
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When pigs were first being domesticated, individual pigs were selected based on their:
a. color c. strength b. size d. degree of loyalty
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Each teat in the sow and mare is served by two streak canals and two teat cisterns
A. True B. False
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