What causes downwelling?
a) Cold-core ring rotations downward
b) El Niño moving South and mixing surface waters
c) Marine life going to the bottom of the ocean to find food
d) Convergence of surface currents
D
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Which action would geologists take in order to determine the Richter magnitude of an earthquake?
A) analyze seismic instrument readouts B) take core samples at several spots and from different distances from the epicenter C) assess financial costs of rebuilding roads, buildings, and public areas in the quake zone D) interview people who experienced the quake
Soil texture influences ________
A) pH B) tilth C) bedrock geology D) nutrient content E) color
Which of the following statements is FALSE regarding the Syrian Civil War?
A) millions of Syrians have been displaced and more than 220,000 have been killed as a direct result of the war B) ISIL gained control of wide swaths of Syrian territory in the east C) Israeli forces have occupied much of southern Syria to provide a defensive buffer against ISIL expansion D) Russia has come to the military aid of the Assad regime E) Syria has witnessed the destruction of many of its cultural and historical landmarks
In which frontal type is there no aggressor air mass?
A) Cold B) Warm C) Stationary D) Occluded E) Low