Because hydroponic systems use a corrosive nutrient solution, what type of pipes should be used?
a. copper c. PVC
b. steel d. lead
ANS: C
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Today, not all local governments have legislation on sustainable practices.
Answer the following statement true (T) or false (F)
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The minimum permitted ampacity of circuit conductors is required to be ____________________% of the total load of the heaters.
Fill in the blank(s) with the appropriate word(s).
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Typical insulators are: ____.
A. copper, silver, gold B. steel, bronze, brass C. glass, rubber, plastic D. aluminum, nickel, magnesium
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The ___ enlarged on the floral designs developed by the Egyptians and middle Eastern cultures
a. Europeans c. Africans b. Australians d. Americans
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