An instrument that detects, records, and measures vibrations produced by an earthquake is called a(n)
____________________. Fill in the blank(s) with the appropriate word(s).
seismograph
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Liquefaction occurs when
A) rock heats enough that it behaves like a liquid. B) rivers and water bodies overrun and dissolve earth materials during a quake. C) grains of earth materials settle downward during shaking and wet ground becomes fluid. D) grains rise up to the surface in groundwater during an earthquake and cause mass movement.
________ are fragments of preexisting materials that have been broken down through the processes of weathering
A) Sediments B) Crystals C) Fibers D) Sedimentary rocks
In urban areas, an increase in impervious surfaces ________
A) will cause more precipitation to fall B) will cause a decrease in runoff C) will cause less precipitation to fall D) will cause an increase in runoff E) does not influence water flow or precipitation
Which of the following is true about the general geographic distribution of richness and equitability?
A) Both richness and equitability, and therefore biodiversity, increase from the tropics to the poles. B) Both richness and equitability, and therefore biodiversity, decrease from the tropics to the poles. C) Richness decreases from tropical areas to polar areas; equitability may increase toward the poles, but overall, biodiversity decreases from the tropics to the poles. D) Richness increases from tropical areas to polar areas; equitability may decrease toward the poles, but overall, biodiversity increases from the tropics to the poles.