What are soil aggregates?
What will be an ideal response?
ANS:
Soil aggregates, or crumbs, are soil units that contain mostly clay, silt, and sand particles held together by a gel-type substance formed from organic matter.
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Which of these requires the most maintenance?
A) bahiagrass B) bermudagrass C) ?carpetgrass D) centipedegrass
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Answer the following statement(s) true (T) or false (F)
Precast concrete foundations sections are set by a crane and then bolted together.
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?In SAW, the molten weld pool is protected from the surrounding atmosphere by ____.
A. ?shielding gas B. ?self-shielding electrodes C. ?oxygen in the air D. ?molten flux and slag
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Variable displacement compressors are normally _____ compressors with a pivoting wobble plate.
a.
b.
c.
d.
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