In sufficient quantities, free-phase DNAPL plumes will move:
a. along the top of the capillary fringe
b. in the direction of the hydraulic gradient
c. in the opposite direction of the hydraulic gradient
d. vertically downward to the base of the aquifer
d
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RNA and DNA differ in all of the following except:
A) RNA is single-stranded rather than double-stranded. B) RNA uses a different sugar from DNA. C) RNA uses a completely different set of nitrogenous bases compared to DNA. D) RNA uses the nitrogenous base uracil (U) in place of thymine (T).
All minerals are compounds. Indicate whether the statement is true or false
The special symbol to indicate a strike on a geologic map is a ____
A)short line oriented at 90 degrees from the strike direction B)short line oriented at 45 degrees from the strike direction C)short line parallel to the strike direction D)long line oriented in the appropriate compass direction E)long line oriented toward north
The desert would be the obvious zone of origin of a(n) ________ air mass
A) mP B) cT C) cP D) mT E) mM