Approximately what percentage of the P in surface soils is typically found in organic forms?
A) 5 to 15% B) 25 to 75% C) 1 to 5% D) 95 to 98% E) 0.1 to 0.5%
B
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?Why must a fuel line be plugged even if no fuel leaks out when it is disconnected?
What will be an ideal response?
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A newer product used for filling holes is the ____________________
Fill in the blank(s) with the appropriate word(s).
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The waste disposal system should have a ____ inch drop for every horizontal foot of distance.
A. 1/16 B. 1/8 C. 1/4 D. 1/2
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When refrigerants are exposed to glowing metal surfaces or flames:
A) Best practices require the use of proper eye protection. B) Lethal phosgene gas is produced. C) A respirator capable of filtering fine dust must be worn. D) Carbon monoxide is produced and should be vented.
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