The "blue-baby" syndrome that suffocates infants is a consequence of excess ________ in the water supply
A) E. coli B) phosphates C) carbon D) chlorine E) nitrates
E
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The generation of the electrical potential needed for neurotransmission requires that which of the following has a low concentration in cerebral tissue?
A) Cl- B) K+ C) Na+ D) O2
Which of the following factors influence surface temperatures? Choose all that apply.
A) The presence of ocean currents B) The angle of incidence of the Sun C) The presence of land D) The distance of the Earth from the Sun
On which Japanese-controlled island does the United States maintain several military bases?
A) Okinawa B) Hokkaido C) Kuril Islands D) Taiwan E) Senkaku/Diaoyu
The spreading-center segment at the southern end of California's Salton Sea is marked by all but which of the following?
A. high heat flow B. boiling mud pots C. glassy volcanic domes D. a lack of small earthquakes because magma is too close to Earth's surface E. major geothermal energy reservoirs