A reduction in the strength of the Gulf Stream and a decrease in North Atlantic Deep-Water formation would most likely result in ________
A) absorbing surplus heat energy
B) increasing oceanic primary productivity
C) moving carbon dioxide and nutrients from the deep ocean to the surface ocean
D) removing carbon dioxide and sequestering carbon dioxide above the thermocline
E) trapping carbon dioxide in sea ice
A
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Schooling behavior makes normally small fish appear like a large organism from a distance
a. True b. False
Your friend shows you a purple-colored mineral sample he recently found while walking the beach. He claims that it must be quartz, because the color matches that of another quartz sample he saw in a museum. Do you think his identification is accurate?
A. Yes; the mineral quartz is almost always the color purple. B. Maybe; further tests must be done to positively identify the mineral, since quartz can come in many different colors. C. No; the mineral quartz is never purple.
The process of adherence of ions and molecules onto a particle's surface is called ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is not a facilitator of mass wasting?
A) Angle of repose B) Water C) Clay D) Permafrost E) Flat landscapes