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timurjin [86]
2 years ago
10

During Excavation, grading, and other site work, the ___ is the permanent reference point from which all elevation information i

s determined.
A. Bench mark
B. Batter Board
C. Curb
D. Station mark
Advanced Placement (AP)
1 answer:
Alex2 years ago
3 0
Answer - a. bench mark
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= b^2 - 4ac
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