Which of the following are considered excellent building materials because of their fire resistance?

A. Steel and wood
B. Concrete and masonry
C. Steel and brick
D. Glass and masonry

Answer: B. Concrete and masonry

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30 mL = 1 ________

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When marking a room, the marks should be low so they:

A. last longer. B. are easier to make. C. can be seen under smoke. D. will not smudge off during a search.

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