Metamorphic rocks can be produced from:
a. igneous rocks
b. metamorphic rocks
c. sedimentary rocks
d. all of the above
d
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The hazardous-waste disposal system that involves contained toxins and is provided with approved liners, leachate control, monitoring wells and constant surveillance is
A) a secure landfill. B) a deep-well injection. C) an on-site surface impoundment. D) a best-demonstrated available technology.
The international illegal trade in wildlife brings in an average of
a. $600,000 per year b. $600,000 per hour c. $1.1 million per year d. $500,000 per hour e. $100 million per year
Anticyclones:
A) have air spiraling into them at lower elevations. B) have clockwise winds in the Northern Hemisphere. C) do not have winds in the upper atmosphere that follow height contours. D) are associated with subgeostrophic winds.
Which condition most favors the development of dust devils?
A) hot, moist days B) hot, dry days C) cold, moist days D) cold, dry days