____, often referred to as "urbanite," can be removed and recycled on the same site, saving the cost of disposal and new material.
A. Old railroad ties
B. Recycled plastic ties
C. Old concrete slabs
D. Pressure-treated timbers
Answer: C
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A U-shaped stair has been provided between the first floor and the second floor of a building with a midlanding. This stair has
A) one flight. B) two flights. C) three flights. D) four flights.
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West Nile Virus is a type of bacteria that causes inflammation of the brain
Indicate whether the statement is true or false.
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Organisms such as paramecia, amoebas, and other protozoa are composed of many cells
Indicate whether the statement is true or false
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How often must all smoke detectors be tested to ensure that the detector is operational and responds as intended?
A. semi-annually B. monthly C. bi-monthly D. annually
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