The dead zone in the Gulf of Mexico is primarily the result of
A) nonpoint sources of pollutants.
B) point sources of pollutants.
C) a natural cycle related to cold ocean currents.
D) industrial pollution by oil refineries in the New Orleans region.
A
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The amount of energy given to each coulomb of charge flowing through a 12-V battery is
A. 12 A. B. 12 V. C. 12 J. D. all of the above
Briefly state why cat litter is a problem for sea otters
What will be an ideal response
Why is air pressure greatest at sea level?
A. Air pressure depends on the weight of overlying air molecules. B. Air pressure depends on the temperature of air and air near Earth's surface is warmest. C. Air pressure depends on the force with which air molecules strike Earth's surface; molecules near Earth's surface strike Earth with more force. D. Air pressure is inversely proportional to the density of air.
Cyclogenesis occurs frequently on the eastern slopes of the Rockies as a result of ____
A) occlusions B) compressional heating C) drylines D) convergence