What lies just above the water table?
A) a layer of shale
B) an unsaturated zone
C) a saturated zone
D) empty cavern space
Answer: B
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When ultraviolet light shines on glass, most atoms in the glass
A. freely absorb and reemit most of the ultraviolet light. B. pass the light energy along practically undiminished. C. resonate. D. all of the above
The Baha'i New Year begins on
A) the first day of summer. B) the first day of autumn. C) the first day of winter. D) the first day of spring. E) the midpoint of the Gregorian calendar.
Soil texture refers to
A) differing soil colors in a pedon. B) pebbles, gravel, cobble, and other materials greater than 2 mm in diameter found in soils. C) the different soil horizons. D) the mixture and proportions of individual mineral particles. E) the roughness or smoothness of a soil as felt by a human hand.
What maximum uplift occurred on a thrust fault in Alaska during a single earthquake in 1899?
A) 25 cm B) 1.5 m C) 8 m D) 15 m