List four kinds of pathogens that may permanently infect clones.
What will be an ideal response?
Viruses; phytoplasma; fastidious bacteria; viroids (also some kinds of bacteria and fungi in specific cases)
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Why is a regulator required on a nitrogen cylinder?
What will be an ideal response?
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What are the five steps of crash recovery?
What will be an ideal response?
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Subcontractors have lower indirect overhead than general contractors.
Answer the following statement true (T) or false (F)
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An advantage of a "parallel flow" configuration of ground loops is ____.
A. smaller diameter pipes B. ease of removing trapped air C. simplified flow path D. higher heat transfer per foot
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