The sites in certain clay minerals which fix potassium ions are also capable of fixing which other ion?
A) H2PO4- B) H+ C) NO3- D) NH4+ E) Ca2+
D
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List and define the four measures of fleece quantity and quality.
What will be an ideal response?
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Metric thread pitch is measured in ________
A) Millimeters B) Inches C) Centimeters D) None of these
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To aid in roof drainage, joists are built with _____
a. holes to allow for water drainage b. built-in downspouts c. a slight slope d. plastics
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What is true of bushings?
A. Bushings are made of thin copper tubing. B. Bushings are generally copper coated. C. Bushings are used in high thrust load applications. D. Bushings are usually made one size.
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