The use of smokeless tobacco is:
a. Related to the development of opportunis-tic oral infections
b. More prevalent among young women than young men
c. Associated with the development of oral ulcers
d. A good substitute for smoking cigarettes
e. None of the above
E
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Which of the following statements regarding the performance of concrete under fire conditions is MOST accurate?
A) Ordinary reinforced concrete is somewhat more vulnerable to failure than prestressed concrete systems. B) The steel used to reinforce concrete must be protected to reach a fire rating equivalent to that required for the concrete. C) Concrete structural systems can have a fire resistance rating from two to six hours. D) Fire resistance ratings of a concrete assembly can be affected by concrete density and the load it must support.
Identify and describe the two organizations that the city of New Amsterdam created in 1648 to protect its citizens from the dangers of fire
What will be an ideal response?