Alternate freezing and thawing of soils results in the "heaving" of plants and the destruction of shallow building foundations. This effect is due primarily to ________
A) the hydration of adsorbed cations on the soil colloids
B) the expansion of water when it freezes
C) pressure from upward movement of water from lower horizons
D) the breaking down of soil aggregates due to freezing and thawing
E) the wetting and drying of swelling-type clays
B
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The current-limiting property of the inductor is called ____ and is symbolized by the letter ____.
a. resistance, R b. reactance, R c. resistance, X d. reactance, X
What are two pieces of protective equipment that should be worn when using a steam cleaner or
pressure washer?
What will be an ideal response?Technician A says that automotive bulbs are identified by trade numbers. Technician B says that the trade number is the different for each manufacturer for the exact same bulb specification. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A red fluid is discovered under a vehicle. This could be due to a leaking ________
A) Engine gasket (engine oil leak) B) Coolant hose (coolant leak) C) Transmission/transaxle (ATF leak) D) Either B or C