How does soil compaction affect plant root health? Why?
What will be an ideal response?
Soil compaction is bad for root health because if restricts air to the roots.
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Precast concrete curtain (PCC) wall panels are non-load-bearing elements. Yet the concrete used in them is of higher strength (generally 5,000 psi) than that used in the structural frame of the building (general 4,000 psi). Explain why that is so.
What will be an ideal response?
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Semiconductors are substances that have many free electrons at room temperature and can pass electricity.
What is Mode 2 is referred to as?
What will be an ideal response?
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The locked-rotor amperage is normally ____ times as great as the run-load amperage.
A. two B. three C. five D. ten
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