____ techniques involve lowering the level of subsurface water on a site to allow excavation to occur in a dry and stable environment.
A. Underpinning
B. Dewatering
C. Excavating
D. Sheeting
Answer: B
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The majority of circuit boards are made of ____________________ and variations thereof.
Fill in the blank(s) with the appropriate word(s).
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If two triangles are similar, their corresponding sides will be _________________________.
Fill in the blank(s) with the appropriate word(s).
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International forces will be relatively more important in determining U.S. farm policy
Indicate whether the statement is true or false
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When a hydrocarbon fuel does not burn completely, which type of harmful gas is present?
A. carbon monoxide B. carbon dioxide
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