Given a set of steps with standard-size bricks used to cover the riser and tread surfaces of a flight of concrete stairs if each tread measures 12" deep by 48" wide and each riser is 8" high, how many bricks are needed to cover four risers rounded up to the nearest whole brick? (Refer to the diagram on page 63 in the book.)
What will be an ideal response?
72
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All of the following are advantages of plant cloning except:
a. more efficient production b. gene code identical to parents c. greater uniformity d. extended propagation
How can hydrogen be used as an energy source. Describe two ways it can be produced on a large scale. How should it be stored and made available for consumer use?
What will be an ideal response?
Technician A says that compression of a vehicle spring is called jounce. Technician B says that extending the vehicle spring is called rebound. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
When installing baseboard molding around the perimeter of a room, outside-corner joints should be _____
a. butt joints b. coped joints c. mitered joints d. scarf joints