What is the source of 70% of the energy consumed in North America?
A. hydro electricity
B. coal
C. petroleum
D. nuclear fusion
Answer: C
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With the help of a sketch, describe a protected membrane roof.
What will be an ideal response?
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In a building with a foundation system consisting of grade beams bearing on drilled piers and an elevated ground floor with an underlying crawl space, the ground floor is generally constructed of
A) precast concrete. B) steel frame. C) wood frame. D) any one of the above. E) none of the above.
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The first thing to do when an accident takes place is to begin the accident investigation.