Why would you apply gypsum to lawn soil?
What will be an ideal response?
It may be helpful to apply gypsum (CaSO4-Calcium Sulfate) to compacted lawn soils to
improve the soil aeration and allow for improved growth of the lawn grass.
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When specifications require a course of concrete block to be laid across an opening or around the top of the wall to be filled with concrete and reinforced with steel rods, it is called a ______ .
A. bond beam B. half-high rip C. quarterback D. cell web
For liquid water the isothermal compressibility is given by: 
where c and b are functions of temperature only. If 1 kg of water is compressed isothermally and reversibly from 1 to 500 bar at 60°C, how much work is required? At 60°C, b = 2700 bar and 
What will be an ideal response?
Which of the following materials is a pozzolana?
A) Portland cement B) Sand C) Fly ash D) Concrete E) Lime
Homes in the 1950s contained only a few flowering plants in the front yard as an accent
Indicate whether the statement is true or false