What three elements bond together to form aldehydes?
A. carbon, hydrogen, and water vapor
B. carbon, nitrogen, and oxygen
C. carbon, hydrogen, and oxygen
D. carbon dioxide, hydrogen, and oxygen
Answer: C
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What are the two factors which determine the speed of a rotating magnetic field?
What will be an ideal response?
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This hardness testing system uses a machine that measures hardness by determining the depth of penetration of a spherical-shaped device under controlled conditions.
a. Brinell b. Rockwell
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The waterproofing ability of _____ helps sheep shed water from their coats.
Fill in the blank(s) with the appropriate word(s).
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Which of the following is true of rack and pinion steering?
What will be an ideal response?
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