A pesticide is more likely to contaminate groundwater if it has which of the following characteristics?
A) highly soluble in water
B) strongly adsorbed to soil colloids
C) rapidly degraded by soil microorganisms
D) highly volatile (high vapor pressure)
E) all of the above
A
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Most types of concrete slabs that are totally supported by the ground beneath them are _____.
a. monotonous b. lithotropic c. dendritic d. monolithic
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The maximum work produced by expanding 2 kg of steam in an insulated cylinder at 400°C and 4 MPa to 20 kPa is nearest:
A) 2120 kJ B) 1890 kJ C) 1780 kJ D) 1640 kJ
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When sanding wood, start with ____________________ sandpaper and end with
____________________ sandpaper.
Fill in the blank(s) with the appropriate word(s).
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What is the maximum pressure a power steering pump provides during low speed cornering?
A) 90 psi B) 1400 psi C) 250 psi D) 500 psi
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