What is sprayed bentonite?
What will be an ideal response?
Sprayed bentonite is bentonite clay mixed with a modified asphalt that serves as an adhesive to bond the clay to a surface is applied by spraying. A 3/8 in. (10 mm) membrane is built up for normal applications, but thicker layers can be used for situations in which hydrostatic pressure is severe.
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If you want to reclaim a saline soil, which of the following practices would you most likely use?
A) Leach the soil with water high in bicarbonates B) Leach the soil with water high in Ca2+ and Mg2+. C) Leach the soil with water having a high SAR ratio. D) Add CaCO3 to reduce the exchangeable Na+ level. E) Leach the soil with low salt containing water.
Why is it important to sterilize potting media or to make sure the potting media you buy are sterile already?
What will be an ideal response?
If the resistance and the voltage are known, what is the formula for finding the current (amperes)?
A) R=E×I B) E=I×R C) I=E/R D) I=E×R
TAB stands for:
A) Temperature adjusting and balancing. B) Testing and balancing. C) Trimming and balancing. D) Testing adjusting and billing.