What is the purpose of a duct stretcher?
A) There is no such thing as a duct stretcher.
B) To pull rectangular duct together when using drive cleats
C) To increase the length of a sheet metal duct when it is within ΒΌ in
D) To pull flexible duct straight
B
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The birth of agriculture occurred approximately ____ years ago in ____
a. 3,000; the Netherlands b. 5,000; ancient Persia c. 10,000; the Fertile Crescent d. 12,000; China
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Are compounds that release nutrients in forms useful to plants called nutrient carriers?
Indicate by YES (Y) or NO (N).
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Realize an LC ladder network such that  figure 1.png)
What will be an ideal response?
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How long will it take a 0.047 ?F capacitor to completely discharge through a 10 k? resistor?
A) 0.47 ms B) 2.35 ms C) 0.18 ms D) 5 s
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