Discuss the responsibilities of the soil scientist?
What will be an ideal response?
? Soil scientists study the physical, chemical, biological, and mineralogical composition of the soil. They study
the reaction that chemicals and practices have on the soil. They use this knowledge to analyze the soils in specific
locations. They develop soil surveys by using this information and aerial photographs, topographic maps,
and information from soil maps.
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One type of foundation has a concrete base, called the ____, supporting foundation walls.
A. heading B. reinforcement C. footing D. slab
You plan to pay $38,000 cash for the new truck you want to buy 5 years from now. You are a very astute investor; all your money earns at 20% per year. If you have already saved $9500, the amount your rich aunt has to give you 2 years from now (as a graduation present) in order for you to have the total amount of $38,000 is closest to:
(a) <$7500 (b) $7654 (c) $8,310 (d) $9,880
Three equal impedances, 60 + j80 ? each, are delta-connected to a 230-V (rms), three-phase circuit. Another three equal impedances, 40 + j10 ? each, are wye-connected across the same circuit at the same points. Determine:
(a) the line current, (b) the total complex power supplied to the two loads, (c) the power factor of the two loads combined.
The quantity of air a blower is moving is measured in:
A) Cubic feet per minute - CFM. B) Capacity per minute - CFM. C) Feet per minute - FPM. D) Force per minute - FPM.