Colloidal properties are exhibited by the ________ fraction of soils
A) sand B) gravel C) clay D) silt
C
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A flow switch used with ____ may start a motor when flow occurs, and stop the motor when there is no flow.
a. on-off circuit b. short circuit c. three-phase circuit d. single-phase circuit
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A coating of aluminum on steel panels provides longer-lasting protection than zinc because it _____.
a. is not water soluble b. can be applied more evenly c. reflects damaging heat d. does not oxidize
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There are two types of electric current: direct current and ____________________ current.
Fill in the blank(s) with the appropriate word(s).
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Discuss the need for geographical areas within a large landscape
What will be an ideal response?
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